Volume 150 Index
Transcription
Volume 150 Index
:-;U PPI.EliiRNT TO " 'l'll r.; £:\GINEER," ,JANO.\RY 23 IO!ll • • • • I • ' • ltonbon: OFFICE FOR • PUBLICATIO~ AND ADVE RTI E~1ENTS, z8, ESSEX STREET STRAND, \V.C. - • StrPPLR\11('1'1' TO "THE E)lC:l NEErt .. OF JANUARY 23, 1931. • • • • . u VoL. CL. -~QI-- ~ lln.str ation.s. .flamts . A A.'E.G. COMPANY Heavy-duty Butt Flash Welding Machines, 540 A.F..C:. 62,500-kVA Turbo-generatot's, 144; at Goldenburg Power Station, Genno.ny, 148 A-1 Ell'etrio Welding Applio.noes Company, Resistance Butt W elding in Shipyo.rds, 7HI Adomson, Dnnicl, o.nd Co., Ltd ., "Super Lancn.shii'O " BoiiM, 321 Adamson, J ., nnd Co .. IS-Ton Overhead TTnvelling Crane with Ball Bearings, 236 Artcock, F., Mnnuro.cturo of S.A.A. Cartridge Co.ses, 668, 700 Ailsa Cro.ig Motor Company, Ltd., 42 B.H.P., " Acro " H cavy Oil Enginr, 452, 464 Alfn-Lavo.l Company, Ltd., New Milking Plo.nt, 33 AI vis Company, " Silver Engle "Car, 4 79 Alvis Compnny, 12-60 H.P. Four-cylinrll'r Cat', 479 Amalgamated Co.rbureti'A>r11, Ltd ., Mechanically Operated Pump, 482 Arc hi bald, R. D ouglo.a, Cohesion, I 7 9 A rdington, Jnterno.tiont~.l Aj!ri('lllturnl Tro.C'tor Trit\ls at, 308, 309, 337 Argentine No.vy, New Ocoo.n-going Destroye•·s, J. Samuel White and Co., Ltd., 94, 99 Asakuro., Dr. I<., Duplex Chimnry Locomot-ive, 200 Ash Company (London), Ltd., Ash-handling Plnnt •~t Brighton, 604 Associ~ted Eq11ipment Con•pany, Ltd.. 96 D.H.P. High-speed Oil Engine for Road Transport \Vork, 507 A11sociated Equipment Company, Ltd., and English Electric Company, Ltd., T rolley Omnibuses, I 52 Austin Gilbert, Ltd., Constant Current Electric Driving on tho Austin Sy11tem, 704 Austin Mot or Company, 20 H.P. Car, 428; " RanelaAh " L imo,•sine, Alterations to, 433 Aveling o.nd P orter, Ltd., Four-cylinder Vertical Oil Engine, 86 Avonside Engine Company. Ltcl ., H eavy Oil EnginPd Loc·omotivl' for Plantation Service, 22:3 flrett'11 Patent Lirtor Compnny. Ltd., 1-Ton Petrol-d-riven F actory Truck, 182 Brittmnio. ·works, HudderRfi.:lld, H opl<insonP, Ltd., 58, 66, 82 (Supplement, .July 18th, I 930) British Insulated Co.bl<>l!, Ltd., N(ltwo rk Boxes, 622 British l\ferc6d~s-Bonz Compan y, Supercho.rg· ing Adopted on Each Engine, 4. 79 Brooke, J. W., and Co., Ltd., G B.H.P. Twocylinder Engine, 463; 19ft. Colonial R\tn· about Boat, 462, 463; 28 H.P. Six-rylinder Engine, R~de11ignod, 462, 463 Brotherhood, Peter, Ltd., Brotherhood-Ricardo Diesel Engine, 10 Bruckmann, Dip.-Jng., Hecent Drag-line Excavator Practice in G!'rmany, 38 3!l l Budenburg Gauge Company, Ltd., Precision Measurement or Liquid Pressure, 116 Bull Motors, Ltd ., Eddy·Nirr<~nt. .Rrake for Trolley Omnibuses, :122 c CALIBA N H ydraulic Ram, W. H . Bail<•y and Co., Ltd., 62 Canadian Pacific Li n(lr "Emprrsa of Japan.'' Fairflold Shipbuilding and l·~nginNwing Company, Ltd., 166, 174,.206 Co.terpillar 'frnctor Compo.ny, 60 H .V. 1'etrol TTactor, 338, 339 Cau very-Met.tur Dam Works, Progress of, 262 Chantarella-Corviglia Cable Railwo.y at St. Moritz, 676, 677, 680, 712. Churchill Machine Loo) Company, Ltd., Doubleended Axle Journal Hogrinding Machine, 169 Clayton and Shuttleworth, Ltd., Harvester Thrasher 1\Iachino, 34 Collis, J ., and Sons, Ltd., 6-'fon \Vnrehouso 1'ruck, 715 Corner Brook Paper Works, Newfoundland, 171 Coventry Victor Motor Comfany, Ltd., Opposed-piston Twin-cylinder Engine, 464 ; Weaver Patented Four-stroke Outboard Engine, 454 Cracroft, P. G., Endy Day>< of OM Lighting, 6 16, 642 Creed and Co., Ltd., L.M.S. Railway Toll'graphs, 224 Crompton-Po.rkinson, Ltd., Past and Present Electrical Work at Cholmsford, 434 Crossley Brothers, Ltd., B y-po.ss for 1\Iotor Vehicles, 34 ; Crude Oil Engine, 33; 60-kW T hree-cylinder Oil Engine, 33; Vc>rtical B Two-stroke Engine, 33 BABCOCK o.nd Wil<'ox, Ltd .. High-pressure Crossley Motors, Six-wheeled J,imouaine, 428, 434 Water-tube Boiler D(lv(')opm<>nts at Renfrew, 366 nabcock and \Vilcox, J~td.. S1tper-pressu.re Boiler at Bmdford P ower Station, 2•a. 254, 278, 279 (SuJ>plement, September 6111, 1930) D Dailey, W. H ., and Co., Ud., Cn.liban H ydraulic Hl\m, 62 DAIMLER Company, D ouble-Six 40- 60 H .P. Btunfot·ds, Ltd., A o·tiflcial Mo.n\ll'e Distrihutor, Chassis, 479; Fluid Fly-whool nnd Si'Jf. 34 ; Expnnding 1forso .Ro.l<o. 34 changing Gear-box, 470 ; N<~w 'J'ro.nsmiRRion Bn.rford and Pt'rkins, Ltd., 4-T on Petrol Hoad System for Car11, 479 Hollrr, 10; :Motor Hood Hollt'rl4 with DieSl'l Dnvey, Paxman nnd Co., Ltd., 70- 77 B.H .P . Engine Power Unit, 10 : 32-35 :R.H.P. TwoTwin-cylinder VortiC'al .H l'avy Fuel Oil <·ylindN· Oil-cmginrd ROl\d Holl<'r, 88 Engine, 87 Battersea Power Station, 560, 692 Digges, T. G., Cutting Tef4t.J! with C(lmentl'd n eccari PrOC<'!!'l or H!'rU'IO Disposal in Franco, 6 Tungsten-carbide Lathe 'J'ools, 247 llendix-Perrot Brakef4, Ltd.. Bendix Brakes, Dorman, W . H., and Co., Ltd., 34 B.H.P., 481 ; Brake Testing ?.lachinc, 649 ; DuoP etrol-paraffin Marine Engine, 608 servo Brake, 48 1 "Dragon " Self-lift Tractor C'ultivo.tor, J, Dengal Smoke Nuisances Commission, Annual nnd F. Howard, Ltd., 10 Report, 199 Benni11, Edward, and Co., J,td., Air-cooled 1\!echanicn.l Stok(lr, 57 (I Dlaekstono ard Co., J,td., l i li.P. Petrol Engine, 648 , E Dluckstone 1\nd C:o., Ltd .. 21} H.P. TraC'tor, 339 Blackstone and Co .• J.td., Vortical H igh-speed EARLF.'R Shipbuilding nnd Engin<'Pring ComSpring-injection Oil Engines, :13 pany, Ltd.. The ,Jorf.{(lnl:l('ll 21-10 H. H .P. Booth, J oseph, on cl 13J'OII •• Ltcl., 6-Ton P ortal Doubll'-ncting 'J'wo-str·ok<~ i\lnrin11 Oil F.ngin<1, C:ro.ne Operated hy an Oil Engine, 44. 45 232, 23:3 B ordeaux, P ort or, Jmprov<•m(lnts at, 270, 282 Elgood, W. N(IJson, JE><tlwtif•l4 in l\ltllt\1 Hriclgo lloulton and Pnul, Ltd.. Automatic Elrctrio D l'signs, 256 Lighting St•t11, 622 ; 1-k W Light.ing Set, ll08 ; Elgood, W. Nt•lso n. Enginee•·ing l)l•grro Self-rontained Electric Power Unit, 62 Co\IJ'Sl'S, Suggost(lcl lllocJi fl<-ations, 160 Bradford Power Station, Supor-prNlsuro Boiler "Empresjj of Jnpnn," Now Cano.clian Pacific !or, 244, 254, 278, 279 (Supplement, September Liner, Fairfiold Shipbuilding o.ud EnginOCIJ'· 6th , 1 n:lO) u1g Company, Ltd ., 166, 17•J., 206 Englesson, Elov,Pit.ting in Wo.tor Turbines, 4 I 8 Hopkinsons, Ltd., The Britannia Works of, 68, English Electric Company, Ltd., Three Wind6(1, 82 (Sitpplement, July 18th, 19:10) ing Transformers, 100 Howard, J. and F., Lt,d., "Dragon" Self-lift Estlor Brot.herR, Ltd., Armouring for R oad Tra-ctor Cultivator, 10 ; 3-Ton Petrol LoooSurfaces, 660 motivo, 10 Huddo.rt, A. H., Faih•re of Flat-bottom Stool Rnils, 660 Hudson River Bridge, The, 11 0, 122 Hull, Alfred-streot Hydraulic Pumping Station, F Pulsometer Engineering Company, Ltd., 89, 90, 91 FAIRBANKS, ~Iorso and Co., Electric Light Hulse and Co.: Ltd., Railway Carriage and and Power Plant, 87 Wagon Wheel Lathe, 198 F erranti, Ltd., Summation Metering Eq\•ipHumber Company, 16-50 H.P. Car, Sertional ment, 628 Views of Engine, Gear-box, Front and Back F odens, Ltd., 6-Ton Steam Wagon, 62 ; SixAxles, 432, 433 wheel~>d Steam Wagon, 648 F olkestone H arbour Swing Bridge, Renewal of, 614, 624 (Supplement, Dtctmher 6th, 1930) Foster, \ Vm., and Co., Ltd., and Gwynnes Pumps, Ltd., Three-stage Motor-driven I Pump, 33 F owler, J ohn, and Co. (Leeds), Ltd., Soarifier INVI CTA Company. 30 H.P. Chassis, 480 on a Road Roller, Improved, 87 ; " Tracktrailer " Fitted with ' Orolo " Track Units, 87 Frnnoe, General Electrification of, 246 J G " GAMMA II.," R e-engined Thames Fire Float, 172 Garrott, Richard, and Sons, Ltd., " Suffolk Punch " Heavy Duty Steam T ractor, 63 ; Thrashing Machines, 34 Gear Grinding Company, Ltd ., Ac(luraoy of Gear Teeth, 616, 6 17 Gilbert, W., H eating and Drying of Grnnulo.r Materials by Convection, 600, 530, 674, 687, 617, 640 Gleniffer Engines, Ltd., 60- 80 H .P. Fourcylinder H eavy Oil Engioo, 609 Globe Pneumatic Engineering Company, Ltd., Four-cylinder Rotary Pneumatic Drill, 632 Goldenburg Power Station, Oennony, 62,600kVA Turbo-generators at, 144, 148 Good, E. T., on Rail Hates on Iron and Steel, 7 Groat Western Ho.ilway 120-Ton Railway Trolley. 48 Great \Vestern Railway Com pany, Two New B y-po.sses at Westbury and From e, 441l Great Yarmouth, Now Bascule Bridge at, 668, 570 Greenwich, Fuel Research Station at, 376 Grice, ·wro., and Sons, Ltd., Concreto Pipo T esting Machine, 323 Gwynnes Pumps, Ltd., and Wm. F oster and Co., Ltd., Three-stage Motor-driven Pump, 33 JUNKERS-WERKE Opposed-piston Heavy Oil Engines, 268 • K KERR, Stuart and Co., L td., H c.>nvy Oilengioed Lorry, 9 Kingston Dy-pas11, Road Surface E xperimentll on, 451 Knooko-sur-Mer, Sewage Pumping Equipmrnt at, 74 ]'rupp-Grusonwerk, Sheet Bar Rolling Mill for Japan, 510, 6 12 L LACEY, J. M., Flowing Water, 21 8 Lauronco, Scott and Eleotromotors, Ltd., Electric Control Gears, 714 Liefrinck, F. A., Water Supply Problems in Holland, 63 1 " Lion " Locomotive, Liverpool and Manchest er Railway, 1838, 535 Lister, R. A., and Co., Ltd., 6-kW Automatic Lighting Sot, 87 ; Small H eavy Oil EngiM, 86 • L .M.S. Hnilway, Roilway Telegraphs, 224 L.M.S. Railway, 20-Ton Steol Hopper Coke ·wagon, 49 1 L.M.S. Railway, Twin " Royal Soot "Expressos, 43 H London and North-Eastern Railway Company, Alfred-street Hydraulic P umping Station, HALIFAX, Aerial View of Port or, 3!16 Hull, 8!1, 90, 91 Hall, B. J., and Co., Ltd., Photo-electric London and North-Eastern Hailway Company, Bitumen Estimating Apparatus, 668 L ight Locomotive Grab Crane, 102 Hankins, G. A., Stress Strnin R elationships in London and North-Eastern Railway, ThreeSpring Steels, 17 8 cylinder Side-tank L ocomotive, 466 Harland and Wolff, Ltd., Union-Castle Motor London a nd North-Ea.qtern Railway, Signalling Liner " Winchester Castle," 424 School at York, 488 Barrison, 1\1cC:regor and Co., Ltd., Expnnding H orse R ake, 34 Hoarn, Colonel • ir Cordon, "H 101 " nnd the Altimeter, 689 H oonan and Froude, Ltd., Testin g Pla nt for M Aoro-engines, 130 Heenan and Froude, Ltd., Water Cooling in MARCONI Company Broadcasting Station for \\'nrsaw, 406 Printing Trade, 129 H t!rbert, Alfred, L td .• ~ow Design of Combina- i\lo.rshall. C. F . Dondy, on Links in the Hi11tory tion Turret Lathl', 698, 602, 603 of tho Locomotive, 56 Hethorington, J., and SonR, L tcl., Largo Boring 1\iarshall, Sons and Co., Ltd., Hoavy Oil· ongined Tra:-tor, 9 ; Oil Engine Agricultural and Turning Mill, 20 Tractor, 64!1; Vertical Water-tube .Roilor, 9 H owittio Electric Company, Ltd., Mercury A:J·c Rectifier Equipment fo•· the J\1olbourno MI\Ssoy-Ho.rris Grinding Machine Driven from a Tractor, 87 ; Tractor B inder, 87 Tro.mways, 655 Jliggs J\1otoo· Works, Singlo-phnso Hopulsion l\IcGeo, Waiter, and Son, Ltd., 100 H .P. Threephase T otally Enclosed Induction Motor, 67 8 Stat·t Induction Motors, 649 Hillman Compllny, 19·7 H.P. Engine, " Vortio" 1\1cLnron, J. nnd H., Ltd., F uel Oil Trnctor, 3:19, 342 Car, 481 Holroyd, J ohn, and Co., Ltd., Super High- Mc Laren, J. and H., Ltd., M'cLaren Bonz Oil En((ino, 649 speed Lo.tho, 684, 685 • • INDEX. lV Merryweather and fion"'· Ltd .. Three New Fire Fighting A pplianel'!l, 98 ; l\Jotor Fire Float for Port udan, 656 ; 36-40 H .P. Motor Fire Engine, 88 M~tropolitan.Cammell Carriage, \\'ogon and Finanee Company, Ltd., and 'entinel Waggon Work11, Uti., 200 II.P. St<'am Rail Coo.cb, li94, 595 :\f1•t ropolitan -YicJ..~>r,. Elrrtrieo.l ('ompo.ny. Ltrl., :\I inin~ J.: tl'ct riral Control C~>ar, 54G >.lirrlees Wo.tson Company, Ltd ., l nl'lint>d C'alondria VMuum Pans, 410 Morris l l!iil" iX-C)linder Saloon Car. 481 " MorriA " o.jor" Car with ::lix-oylinclt>r EngiM, 4!1 1 N NATIONAL GM Enl(ino ('ompat'Y· T--td .• 6i Ir.P. Fnl'l Oil F:n~;ine. 8 Noill, J amrs, aJld Go. (Sheffi«ld), L td .. l\fnnufMttll'o or .. l~rlipAC' .. HMk RI\W Hlndl·~. ::!12, 3 1tl 't\W Brighton Promcmn.d11 P icw, Hcronstn.totion or, 262 Niobolson, \V. N., and 'onl!, Ltd., Sido ))l'livc•rv Rake nnd Swath Turner, 34 • Norris, H f'nty ond GnrdnN'!I, Ltd., 57 ll.H .P . Marine Engine, 452, 463 ; :!5 H. H . P. Cc>n<'rator et, 4a2, 453 Nottin~hom, N1•w Enginrerin~ Lnhoratorics nt llnivl'n<it y <'ollcgr. 70, 71 " Su.fJolk Punch " H eavy-duty team Trnctor, R . Garrett and Sons, Ltd .• 60 Sukkur Barrage and Sind I rrigation, 169 ulzer Brothers, ovon.stog<> 01\8 C'omprc:>~qor, 118 Svdn<'v - . Rnrhour Hridj:(l', - 10, 12, ·HI, 17 T TANNA 'l'unncl, ,Jnpnn, 2M Thamt>s Fire Flont " Gnmmn JT. ," RO·<'nginrd, 172 'rhomns, Gcorgo, und Co .. T..td., Six-11pcNl Jlnncl Tachometer, 492 Thomycroft, J . I .. nod Co .• Ltd., 48ft. E~p•·ef18 Cnrisor , 453; 9 B.H .P. Marino Oil l~nginCI, 452, 45:1; 75 H. H .P. l\f1niM Oil l•:n~ino, 452, 453 " 'rhorold," Now Pnpor·-C'arrying Vesfllll. l•:nrle 's Shipbuilding ond Jo:ngin011ring Complln~· . Ltd ., 64 Tilbury Passonger Landing Stn~:o, 28 Tilghman's Patent Sand BII\St Compnny, Ltd ., New Dust Arrcst()r, 7lli " Transit" Air Bro.ko for Rnilway VQhich's, 41\0 Transporting l\faehinor·y Compan~. Ltd., Devices for Handling Awkward Hcnvy Articles, 261 Triumph Comoany, 11 ·8 H.P. Six-oylindt'r Cor " Scorpion,'1 481 Trojan, Ltd., Further Dcvolopmonts in Snloon Car, 480 Tuplin, W . A., Shaft StrossNI Du<' to ToNionnl Jmpaet, 112 Turner, E. R . nnd F .. T.hl., ( 'nm ll•·ic·•, :!li 0 OIL l\loton<, L td .. J.o\\ -prt't<l!UIO H igh-spet>d Oil Engin<', 4G " Orolo " Trark Unit>~. " 1'rMktn\iler " :Fitted with, .John ]''o'' h'r nud C'o. ( [.('Nis). Ltd ., 87 Ow!'n!l Doil<'l' ('irculntor, Ltd ., Boiler Cu·culntnr. r.7 r. u V p VARIABL I•; Powlll' TramnniwHiOull. l.ld ., "Varatio" Vnrit~blo-RprMI <:<'tll' in 'I'<'Xt.ill' PANN I~LL, E. V., l\fodCirn DiCI-costing Pro.c11'1ills, 520 tico, 168, 193 Vimax Machinery Com pnny, Ltd ...\utoull\tic Parsons Oil F.n~ilw Company, L td., 24-45 High-speed Brick-making Prnc·NI~. :170, 37!1 B.H .P ., Fonr-<'ylindt>r P etrol-paraffin F:n~in<', Vitko\rice Steel \VorkR, ViRi1 of 1 rc•n nnd Rt<>l'l 609 l n11titnto, 40·1 P!'rok Riv(lr H yct.•o-lo'lcctric PowM Sdwmt•. 100, 19 1, 202, :!20, 2211, 2!i0. 26 1 (SII]J]llf'mrnt, Auau.'t 22nd, 1930) Pct~I'S<'n Aro upprt>ssor. ll i~h-t~nHion Lin,; Protl'f't 100 by the, 120 P etters. Ltd., 80 B.H .P. Twin-<'vlioder lm- WAD LOW, K C.•. piwl Sprm~ r01· Rp•ingproved Two-stroko " AtomiC' .,· Righ-comdriven MotorH, 4 i I prcs.~ion Airless-injection 0•1 lo:nginC', 62; \\rbito ..J . Somm•l. 1\llcl Co .. Ltd., Now O<·<.>nn2 H.H.P. Li17hting Plant, 62 going ))t•xtroyerH for tlw Arge-ntine- "NM·y. 94, Platt BrothcrH oncl Co., Ltd., Plntt-Toyodo. 99 Automotic J.oom , 644, 645, 652 White, R., nnd Sons, Ropewoy Plnnt 1\t '' Platt-Toyoda Automatic L oom, OH. 64.5, G52 Large Oil Wor~. 696, 708 Prl'mier 0118 Engine Company, Ltd ., 1000 " \V idia" Tools, Cutting Prc. !lllr<'>l ontl Po111>r B .H .P . Vi"·~-\'is Bori7.ontnl Otl En$Cinl.' Cor Con911mption or, G90 F t>n Pumping, 620, 62 1 Wimbledon, Elt'ctri<> ~C'nre>hu11rtlR nt, Holwrt Principality Wagon Company, Lt!l., Lorry A. , mith, 145 with Moving 'Platform, 6 10 W i~man, Al£rC'd, Ltd ., 40 H. II . P.. Jo'nurPullin, Dr. V. E., X-rays CryBlt\l Analysis in oylinder Henvy Oil En~iot>, 50!l Engineering, 2 (Sttppltme~Jt, Jul!l 4th, 1930) \Vood, \V. A., Comp~tny, Ltd .. Nml'-til't' ('llltiPlllsometer EngiMering Company Ltd., Alfredvo.tor, :H strt>et Hydraulic Pnmping Station, Hull, 89, 90, 01 Pulsomet.er EngineMing Company, I .. td., Se~vago Pumping F.qnipm<'nt t\t l\ nocko-llur-Me•·, 74 y w YARROW tmd C'o., Ltd ., Rivor (:uuhnMH r01· tho Coin m hit\11 (;nvtwnmnnt, 31iU R Magn C~Uing Mnc·hinn Company, Ltd .. ~fagneti<' S"parntion and Ri oving o£ Jo'oundry RAPID Sand, 6:lo • JWyrolle, A ., ancl C<1., Ltd .. Moth•rn ~witchgcar, 07G Riley Company, lm pro'\'C'nwnts t o Standard Typc11 of <:ars, 179 R oUs-Royoo, 40-50 Jl.P . Cnr , PhAntom U ., 428, 431 ; 20-25 lf .P . Chns'liS, Various Now Features, 431 R omac Motor Acce99orics, Ltd., Air-cooled Air A Compreasing Plant, 482 Roeenthal, Ph., and Co., A.G ., High-tension ACCURACY or GC>ar T oot h, 516, 517 T esting Laboratory, 16 R o99, Courtney and Co., L td., Thief·proof AERONAUTICS : " P otromnp; " Lock Tap, 482 Aerial View or Part of Por t of Halifax, 396 Rothwoll Urhnn Di~:~trict Council, Nrw <~wage A(\rial View or Tilbury Lnndin~ Rtlls,:o, Disposal Works, 444 (...'ustoms Rouso ond Railway, tnt1on, 28 R over Company, Ltd., 10 H .P. Cu•·. 48 1 Aero·cmgino 'rosling Plo.nt, An, 130 " R oyal Scot," Now Twin Expresses, 43 Air-cooiCicl Ac:oro-ongini.'H, A Rtwic•w or Dt•volRuahton Tractor Compo.ny, Ltd ., 22 H .P. opment!'4 in tho Pt\qt 'J'on Yoa•·ot, .\ . J I. H. Pnraffin Trootor, 8 F odden on. 18 Ruaton nnd R orn sby, J..td., Airl1'SS JnjeC"tion, Aircraft in Puris, A•ulu t~l Exluhitiou, fl2!l Cold -stnr'tin~. fforizontnl Oil Engine, :12; Air Ports. Oii·JI!W(Id HlltlWOYII rcu-, ,J. J\. Hoppor -coolnd Pot•·ol Engi ne, 648 .Hel'lilly, 260 "R. 101 "nnd thu J\ltimot<'r, C'olonol Sir C:ordon Alt.imotor, " R I 0 I " t\IHI tho. ('olorwl Ri •. H !'arn, fi89 Cordon H oarn, 580 " R I 0 l " DiRO'Iter, :l!lri, 4.00, 40 I AlR Brake, Tho " T ranait ," fot· Hl\ilway Vehicles, 460 Air-cooled Meobanicnl Stok<'r, Edword Bennis and Co., Ltd., 576 ST. LAWRENCE Waterway Project, Report Arbitration, The Costs of on, 124 on Intemationnl Ropi cls Section, 300, 301 Army Demonstration l\t. Alder>~bot. of Fis.:ht.ing St. Moritz, Chantarella-Corviglia Cable Raillllotor Vohicle11, 4 64 way at, 670, 677, 680, 7 12 Artificial :Monuro Di~:~tributor, Bamfor<L., l.td., S.U. Company, Elcctricl\lly O~rntrd P etrol 34 Pump, 482 Ash, The Redu ction or, Disch ru~<'tl hy Smoke· Sontinel Wa~gon Work!!. Ltd ., Eight-wheeled staeks, 125 Four Stot>rmg Vehicle, 200 .\sh Handling Plant. at. Brighton, .\sh ( 'omShishko!T H vdro-thl'rml\1 Tidal Powor Scheme, pany (London), Ltd., 50 1 330, 358 • Automatic Lift Operation, 68G Siemens and llul!lko, ~lulti Lnnguage Interpre- Automatic T olephonl' System, London, 461 tat ion System, 154 Singer Company, 10 H.P. Car, 481 Skoda Works , New System o£ Riveting, 276 Skoda Works, Pilsen, Visit of Iron and Steel B Institute, 362 Smith, Frank, ond Co., Air Filter Md Air BOILERS : Si h.mcor, 4 82 Boiler, High-prl'H.'! Uro \ \' nlt•r-t u be, DC'volop · Standard Compo.ny, 16 li.T'. Cnr, Six-cylinder ments 1\t Hcnfrcw, Rt\l>coc·k and \Vil c·ox, Saloon, Improvemt'nt~ tu, 428, 434 Ltd., 36tl Stnroturnl Service Company, Drilling Machine Boiler, Super Pressure, for Dro.dford l'owor for Steel Columns tmd Girders, 642, 548 Station, 244, 254, 278, 279 (Suppleme11t, Stubbs, J osoph, Ltd ., 26 B.H.P., Outboard Stptember 5th, 1030) Motor , 608 :iubju:ts. s ' l 'IIE ENOUIEBR JNnEX SOPPLB IBNT, ,T\N. 23, 1931.-(VOL. CL.~ BOILERS (continued) : ENGINEER, Futuro Responsibilities or tht' 222 • Boiler, Verticol " 'ater-tubo, Marshal! , Sons Engineering Degree Courses, Suggested Modinnd Co., Ltd., 9 fications, W. Nelson Elgood, 150 Boiler Circulator, Owens Boilor Cirl'ulator, Ltd., 575 B oiler Scalo, ThCI l<'ormntion nnd Prop<'rlil's ENGINES AND MOTORS : C'nulr Oil EnginE>. Crossley Brot hcrl!, Ltd. 3:l or, ISO J)i<'~t'l Bogint', Brotherh'ood-Ric·nrclo, l'~t rr AH _.\In~~ Test in_g :\lnl'hin<', R c•ncllx-PMrol Hroth!'rhood, Ltd.. J() Brakoq, Ltd., a<l!l Diesol Engine Power Unit on Rond RoliM, Barford nnd Pcrkins, Ltd .. 10 BRIDGES : H ca,·y Oil Engi no, moll, .R. •\ . List or nnd i Eslhotics in Me tol Drid~c' Dt'~ign~. W . l'o.• Ltd., 86 Nelson Elgood. 266 H(tavy Oil P.nginod Locomotive ror J>h\nt •\HudRon Ri\•er Bridge. The, 110, 122 tion Service, Avonside Engino Compmn, Hailway Brid~CI Roplnct'rnonL 1\t t'nrr.Jnn<', Ud., 223 • Lh·<'rpool, 491 11 oavy Oil Engined TrMI or, MnNhnll, ~nnH Sydney Hnrhour Bridg!', 10, 12, 1JO, 47 and C'o., Ltd., 9 I IOtwy Oil EugiucR, The JunkMs ])<'>~ign RlUTI~J( Engineering Incluqt ry, HMlitiNI nncl Opposod-piston, 258, 288 Problems. 6::12 Tl oppor Cooled Petrol Engine, Ruston nncl By-pn911 for· i\lotor V<'hicll'R, Cc·or.~lry Ht•othMs, Hor1111by, Ltd., 648 l.tcl ., :11 Horizontal Oil Engioo, Airless-i njcc·tion ColdBtartin~ . Rustou nnd Hornsby, Ltd .. 32 :\lnrine Orl Enginrs, .Jorgonsen, 2140 ll.H.I'.• Doublo-acting, Two-stroko, 2:12, 23:l ;\I r l.Mc-n -Bonz Oi ll~ngi ne, J. aud H. ;\I c Lnr!'n, l.td .• 649 CANADIAN Trade. 3 Otl Engine, SO B.l·LP. 'l'win-cylindt>r I mCnrtridg(l Co.sos, ~[nnufoctun• of ~ .. \ .. \ ., F. proved 'l'wo.stroke " Atomic " H i,:!h-comAdcock, 668, 700 prcssion, Airless-injection, P otterR. Ltd., G:! Cnstle Nut, Novel, 577 0•1 Engine, 50-k\V, Three-cylinclrr. <'ros..'lloy Broth()r~. Ltd., 33 COAL, COKE AND COLLIERIES : Oil En~inl', Four·<'ylindcr Yertirol, Avclin~ Hoppt'r Coko \\'a~ollll, 1•. :\r.,.. Rnih1 ny, I !l I unct Porter, l..td .. 86 S&rety in Mini's Rr•NUC'h, l•:ight h Annunl ()11 Engine, J.oll-prl'ss uro H il!.h-'lp(led, Oil R eport. 17G :\f otoril, Ltd .. 46 COHESION. R. Dougla..'! Archihnlcl, I ill Otl l!:ngine. 95 B.H .P . High-spocd, for Ron<l ('oncr.>te Roacls. Joints in, 115 Transport \\' ork, Associated Equipm<'nL ( 'om Drier, E. R. and }.', 'rumor. Ltd., :!5 Company, Ltd., 607 Oil Engin<', 1000 B.H .P . ViR-A-ViR Horizonf11l. Costs or an Arbitration, Tht', 124 ('rano, 5-Ton Overhead Trn,·rlling. 11 it h Rt\11 for }•(In Pumping. Premi<'r Cas Engin,, Bearings, J ..\damson and Co., 2:111 Company, Ltd., 620. 621; (Errntwn), 6i8 <.:rano, 6-Ton Portal, Opomtc>d hy an Oil Oil J~ngi1w, 7()....77 H.H.P. '1'11 in-oylindor. Engine, Jos. B ooth nnd nro-.., l.ld., •ltl, 45 V<' rli<'nl ll !'avy Fuel, Da.vey, ]',~,man nnd C'rl\no, J,ight L ocomot.i, e, ror A"h Hnndlin~ on C'o .. J..t.d., 87 Lho L . and N.K Hailwav, 102 Oil J•:nginn, 6~ )f.P. Fuol, Nntional C: n.-1 Cultivator, Nine-tin<>, \V. ·A. \Voocl ('owpt\ny. L~ n~:ino Company. L td., ll Ltd., 34 Oil Jo:ngi no, V l> rLic·l\1 Two-st mko. ( 'rogsll'y Rrot lwr11, I.! cl ., 3:J Cn ttin~ PrCS8UI'C'S a nd P owOl' Consmnpt iou or Oil-Cingined Lort•y, HNwy, K en , Slul\l't. nncl " '"'rdio. " Tools, 690 Cut.ting Tests with CC>ment ed Tun.;;~ Ion C'nrbidC' C:o.. J.ld., 9 l.nt.he T ools, T. (:. Diggt'q, 24 7 Oil t·:ngines, Vortical H igh-spcC>d, SpriuginjCiotion, Ble.C'kstono and Co., Ltd., 3:1 Pnmmn T raetor, 22 H .P., RliRhton 'rr1wt M Compony, Ltd., 9 D I•~ XCAVATOH Praot.ico in <:ermnnv. TIPC'''"' D rng -lin11, Uip.-I n g. n,., wl- m1•nn, ':INR :i!11 l>I•;VI C.:E:-i ror Hnndlin~ Awkwnrcl HPa\ y E~pnnding R or11o Rnkt'"• ::1 t Articles. 'l'rnnsp orlinj! Mn<•ltinory ( 'oml)lilly, • E XHIBITIONS AND CONGRESSES : Lt d .• 9-61 Dio C.:nsting PriiCt i<-o, i\lo<l"rn. K \'. Pt\nnf'll. Air<'rart Exhibition in P aris, 62!) 168. 19:i llrit ish J nd11~tri!'s Ft\ir, Rcrommondot ion11 l)uqt A•-rP><Il'r, Xt•\1, 71.> or the Co•nmill<'<' Appointed hy tho Board or Trade, Gi Building Exhibition at Olympia, 347, 378 Congrc!l!l and Exhibition o£ Sonitnry li:nj!iE neering nt ~Jilon, April, 193 I, 52:! C'ongrt•AA for Mech&uicol Enginccrin,_:, !i37 ELECTRICAL MATTERS : lntl'rnl\t io1u\l Jllumint\tion Congrrllil, I !l:ll . 114.6 AccidontR, Eleotricnl, 1!li JniMnatioual )fetor Exhibition ut Olympin, A luu1i nium C'onrl11ctors, J oi ulin~ or St!'ol121!. 4 :ll, 41'i2. 4i!l, :JtlS <'Orod, 688 Plty>!it·tll und Opli<·ul Soc:ioti<'!l Exhibit ion, Automatic Electril• Lij!'bl i ~~~ ~t•t><, Boulton .Jt\nuory, J!l:ll, (i78 and Paul, Ltd., !.i22 H oyal Agricultuml Show ot i\fl\nC'hORtN·, n. Antomatio Light.ing , ot, 6-k\\' , H. A. l.ister :J2, 6:.!, 86 and Co., Ltd., 87 Smit.h(i old ()lub , how, 648 Bottersea P ower Rto£ion, r,r,o, 692 S!t'<'l SII'IH'tur<'s RE'RC'I\r(·l• ( 'oufC~n••w~. <I riS Rrndford Power Stntiou, RnpCir-prei!SII ro Boiler at, 244, 264, 2i8, 279 (Supplrmrnt, SPptember 5tl~. 1930) ('ublos, \Vat.e t· P<~netrotion EfTocl11 in l.oncJ . weathed P owor, I 15 F C'onstant-currcnt Electric D riviug on the Austin Systom, 704 Control Gear, ElectriC', L 1\uronc·o ScotL nnc l FELLI Nr: 1\ D am in Cnnndn. 6-t!l J•'i~htin~ ~lotor Vohiclc>H, Army Dcmonst.m Eloct.romotors, Ltd .. 7 I I 1ion nt Aldershot of, 46<1 Electric Control Gear, J.nurenc·u Scott ond Firo Engine, 36-40 H .P. Motor, 1\lcrrywcnthor Eloctromotorl!, Ltd., 714 nnd Sons, Ltd., 88 Electric J. ight nnd Power )'lnnt, }'airhnnlcR, Firo-fightin_g Appliances, Three Ne", 1\ror ry1\rorse nnd to., 87 WC'O.tht>r and RoW!, Ltd., 98 Electric P ower on t ho Rnncl, 10 I Electric Scoreboards ot Wimblodon, Rob('rl Fir(' Float " (:o.mma H.," Ho·lo'ngincd. Thl\mo'l, 172 A. , mith, 145 Firo Flont, Motor, for Port • udan, MerryE lectrical Accidont.s, 197 weat her and ons, Ltd., 656 E lectrical Control Genr, ~fining, Metropolitan-Vickers EIC>ctrical Company, Ltd., Firing o Boiler, 576 Flooring for Workshops, New Type or, 577 546 Electrically Operated Pot rol P11mp, !-:.U. Flowing Water, J. M. LMey, 218 Foundry Sand, Magnetic • eparati on ancl Ri ovCompl\ny, 482 ing or, Hapid ~lognC>tting lllMhino CompMy, General Electrification o£ Franco, 2,16 Ltd., tl:lO Gonorntion o£ Electricity, 492 H eavy Duty Butt Flt\.ih \Vcldin~ 1\rn('hin o'l, Fron<>h Holling Stock Industry, Ill 1 Fut urCI Ht'~poMihilit ics or t ht' Bngin('l'r, ~22 A.E.G., 540 High -tellBion Lino Protection by I ho PotorwN1 Arc Suppressor, I 26 Induction Motor, T otally F.nf'los(•d Squirr(ll cngo, \Vl\lter 1\lcGee and :-iou, Ltcl., li7S G Lighting Plant, 2 B.H.P., tl2 Lighting Sot, G-kW Automatic·, .R. A. Lillt()r CAS Compressor, Sovon-stnBc, Sulzor Drot hors, and Co., Ltd., 87 11 8 Magnetic Separation nnd Silwing or Foundry Gns Lighting, Enrly Dl\ys or, P. 0. C•·nrrort, Sl\nd, 630 0 16, 642 Morcmy Arc R ectifier Equipmont for t.ho Coar T ooth, Accuracy or, 516, 517 Melbourne Tramways, 61i!.i Cermon Loromotivo Industry, 478 Mining Electrical Control Coor, 1\letro- German 1\ln.chino Tools in tho World J\fnrkots, politon-Viclcers Electrical Compa11y, Ltd., 177 646 Orindinq Machine Driven from n Trnctor, Modern Switchgear, A. R eyrollo ond Co., M fU<HI'Y-HMriH, 87 Ud., 676 Network Boxes, British Inaulat.od ('ablt'il, Ltd., 622 Power Stntions on Swedish Rivers, 575 Protection or Altemating·CIItront. (lcnorntore, H t:}s. 164, 194 . . . . 1 Rcsrstanc~ Butt,Wol~m~ m Sh•py~rdt~, 716 1fTARROUR F.quipmcnt at Dllfbnn, 205 Sel£-contamed ElectriC l'owor Un•t, l:Joulton Harvester Thri\Shcr :\£1\c· hint> t'lavton and and Paul, Ltd., 62 Shuttleworth, Ltd., 3-t ' • Single-phase R epulsion Start Induction H eating and Drying of Granular MatQrials hy Motors, 649 Convection, W. Gilbert, 500, 530, 574, liRi, Summation Metering Equipment, F erre.nti, 6 17, 640 Ltd., 628 Heavy-duty Butt Flash Welding Machines, Totally -enclosed Squirrel -cage Inducti on A.E.G., 540 Motor, Waiter McGeo and Son, Ltd., 578 High-tension Testing I-aborntory nt SC'Ih, Transformers, Three-winding, l~ngli Bh BlocJiavnria, 1G lric Company, Ltd., 100 H opper Coko Wa~ons, I •. M .•. Rnilwl\y, 491 Turbo-generators, 62,600-kVA Goldenlwrg H yd rnuli o Pumpmg ~to.tion o.t Alfred-Bt I'<'<'L, Power Station, 144, 148 1 full, Pulsometer J~ngineering Componv, Lt cl., Welding Resistance, Butt, in Shipynrdt~, 716 89, 90, 91 • Welding Machines, lTMvy-duty Butt Fln.qh, Ilydrauli o Ho.m, Tho Calibnn, W. IT. Bl\ilt'y A.E.O., 640 o.nd Co., Ltd., 62 c Tu~; J.;x•lt.'~•!t.tl I~J,L''· "'~ ' -- " uttLL' ' ' •••' t"U' "'" r, J AN • •93 : , 19''1 ;, . ---1v ---, OJ,, H y dru-cloctric Pl3nl, U mtata I!"ails 226 U yd ro -('loctrie Powor Schomo, P~rak Hivcr. 190, 19 1, 202, 220, 228 INDEX. CL> • lNTERPRETA'l'ION Syl!tcm, A ;\lulti-J.alll· guage, 15! Iron tmd Rtccl lndut;lry for Briti:<lr ('olu111bh1, 2 10 !J·on and ::it.collndul!ti'Y on the Coni i111'1\t, J 7 Iron rmd t)t.oel, Rail Hu.t('~ on, E. '1'. C:oocl, 7 N NEWS I'HlN'l' Mill I Nt)\'l\ :-io·oLit\, 140 OlL \Vork.., Hopi.'\H~Y Ph\u l al, H. 'Vhite and Sons, 696, 708 Omnibus<'!!, Trolloy. l ;):! L . \ nuunl H<•port, 466 l nlt~nd 'twig,,tion in tho United !0\tall.''i, :!00 J nto••nu~t iunal Hlt>ct rical Or~nni.mt ion11 I Discus· ~•on at ~t Of'ld1olm on, 2 111 lntc rn t\l.•onal Elt•clrot!'dlllical l'ouun it~~iu11, 1:1 LABORATORIES, 'ow .Eugwcoriug, ut Uuiversity College, N ottinghnm, 70, 7 1 L11nd ReclamM ion oud I rrigat,ion " ' <trkM i 11 lh\ly, 18:! INTERNATIONAL MOTOR E XHIBITION AT Ltmfling Stugc u.t 'filbur.} , Pt\SSOIIgur, 28 Lighting i:)ots, Automnt.ic J~l octric, Boulton tllld OLYMPIA : Pau l, L td., 622 428, 431 , 452, 47!), 608 Liquid Pressure, l'rocision MoO.SUJ'OlllOilt or, , \h i11 Company. "Silvo1· Et\glo" l'M, 47U Budenburg Gaugo Company, Ltd., 11 6 . \l vi~:~ CompGny, 12-60 H .P . J<'OIIl'·Cylindor Lloyd 's R egister Scholarship and Stud,,nt ('ur, 479 Graduate Examinations, 18 t •\u!ltin Motor Company, :!0 H .P. Cu.r, Lloyd's R egister of Shipping, Annual Report, " Ranolagh " Limousine, Altorl\tions to, 465 I 28. •1:1:3 Lloy d 's Hegister Shipbuilding Returns, 69 British . i\lerced()s.Uenz Cornpuu,\', ~uper c hargmg Adopted ou Ench J~ ugiuu. •l 79 LOCOMOTIVES : ( 'rot~t~lt'y Motor:>, ~i,..wheolod Liuauusinc, 428, D11plox Chimney LocomoLiH, Ur. 1-\. I3 J . \ !ink lU'a, 200 D ninlJt•r l'umpt\ny, DouiJlc-~i x 40 - 6U l Ll'. Ul•t'lnllll Locomotive I ndustry, 478 <.:hos;;i~:~, 470 H eavy Oil -onginod Locomotive for Pluut.nIJt\unlcr Cow pauy, ~uw Trt\tll!tlUt;:~iun ~y>~tem tion Sot·vico, 1\\·onsido Engine Coruptmy, Ior Cars, 479 Ltd., 223 Hillman Company, 19·7 Jl.l'. l •: ugine, Links in tho Hi t~tory o( ~ho L ocuiJiotivo, C. l!'. " Vorti9 " Car, 481 Dond y Ma1·shall, 56 Humber· Company, 16 60 IJ.l'. ('m·, Soc" Lion " Locomotive. Live1·pool 11nd i\lau1 ionul \"iews of Engine, Gt•M·box, F ront chcsl or R ailway, 1838, 535 nnd Back Axles, 432. 433 London and North -Eastern Railway, Side· lnvich\ Company, 30 H .P. ChMSis, 480 lank l .ocomotive, 466 " Morris Isis " Six-cylinder Saloon , 481 " Morris Major " <.:or with Six-cylinder LONDON Automatic T elephone System, 4.6 t London \\rators, Report on, 195, 230 l!:nginc, 481 Biloy Company, 1ruprove mont ~ to l)tnndard Loom, Plt~tt-Toyoda Automatic, 644, 645, 652 Lorry with Moving Platform, Principolity Tyw~:~ or Cnrs. 479 " '•'gon Company, Ltd., !HO Holls-.Royco, 40-50 H . P. Cnr, " Phtmtom H .," 428, 4:H Rolls-Hoyce, 20 25 H . L'. Clm;;'!is, Vurious Now Fcnturos, 431 Hovor Compnny, Ltd., 10 I I. L'. Ut\t', 48 1 M Singt'r Company, 10 H .J'. ()M, 481 Rltmdt~rd Company. J 6 11. P. Car, Sixcylinder· Saloon, lmprovNnonl~ to, 428, MACHINE TOOLS : D rill, Four-cylinder, Rot.ary, Pnoumati c, 4H Glouo Pneumotic Engineering Cotnpt\ny, Triu10ph Co111po.ny, ll · 8 H . P. Six-cylinder Ltd., 6:32 ('ar, "Hcor pion." 481 Drilling Machi ne for ~tcol Colu mn.; t\IH I Trojan, Lt d., Further Dt'vcl oplllt'nl~ in Gi rder~:~, Structural Son·ico Compnny, ;, 12. Hnloon Cnr, 480 p L'Al'.EH · CARKY'lN<..: YPI:!SO I "Thorold," Bnrlo '~:t :::ihipbuild ing and Engineering Com· pany, Ltd., 64 Paper 'Vorks, Corner Brook. Newfoundland, 171 Photo-printing iu Hot ' Vot\tber, B . J. H all and Co., L td., 490 l'ipo Joint, High-pressure Steam, 73 .Pinotation 'orvico, H eavy Oil Bngined L oco•notive for , .-h ·onsido lO:ngino Company, Ltd., 223 Power Consumption nnd Cu tting Pressures of " \V idia" Tools, 699 Printing Trade, ' Voter Cooliog uJ the, 129 l'rofit-sharing in 1929, R eport by Ministry of L obour, 96 Pulverised Fuel at f:ieo., 'l 'ho " IJ•ceworo " I nstallo.tion, 181 C:ermau Mnchino T ools in tho \\' orld l\fnrketx, 177 Largo B orin~ and Turning Mill, John H olher' ington and Sons, Ltd., 20 L athe, New D el!ign of Combinatiou 't:l•rrol, Alfred Horbort, L td., 598, 602, 603 Rni lwo.y Carrit\ge nnd ·wagon ' .Yhcol Lt~tho, Rulse and Co., Ltd., 198 Hegrinding lllnchino, Doublo-oudcd, AxJo Jow·nol, 169 Super High·spccd Lath(', John Holroyd aud Co., Ltd., 68 J, 685 MACHINERY, Tho Hltt!sian Market. for , 23.3 1\Iagnotic epnration nnd Sicving of :Foundry Sand, 630 1\fanufaoturo of :::i.A.A. Ct1rtridgo C~c:-J, .F. Adcock, 668, 700 Bondix-l>onot Brake!!, Ltd., 1 >uo :::iervo Brt\l<c, 4 8 1 Boulton and 1)t\Ul, Ltc.l., I -k W Lightiug Sot, 508 l>t1imlor Company, :Fluid Fly-wlwclund Self· changing Gea r-box, 479 Homac Motor Accessories . Ltd., Air-cooled Air Compressing Plant, 482 Ho~<s . Courtney ond Co.. J.td ., 'l'hid ·proof " P ct.romag" Lock Tap, <1 82 S. U. Compnny, Eloctri cnlly Opemtcd P etrol Pump. 482 Smith, Frnnk, and Co., Air Filter tmd .'\ .ir MAPS : ~i lcnet•t·, 482 B ordonux, <..:ity P ortion of the Rivor Gllronnc, Homo Othe r Exhibit s, Ii l O 270 Bordct\ux, Skotch i\lt~p of tbo Port of, 270 Motor Boats : B ritannia W ork~:t, .Huddersfield, General l~lt~u of If opkinsons, Ltd., 68 Brooke, .J. \\'., and Co., Ltc.l., 19ft. <.:olouial Chantarello.-Corviglin Cablo Railway nt Ht. Rum\bont Boat, 452, 4 53 Moritz, 677 Thornyeroft. J. J.• nnd Co., Ltd., .48ft. Great W estem Hailway, P rop osed New J3y. J~xpress Cruise!:', 4.}3 passes at W cstbury and Frome, 4 4!l Hudson R iver Bridge, Map howing Position Marine Oil Engine Section : of, 110 Ail;;a Crai17 1\fotor Company, L td., 42 B. H.P. l :\l op of Franco Showing Electric Tmnsrni'!· "Aero ' Heavy Oil Jo:ngine , 452, 464 s•on Linos, 24 7 Broolm, J. \\'.,and Co., J,td., 6 B.H . P. TwoMap of H olland Showing D istribution of cylinder E ngino, 45:3 . Water Supply Undertakings, 631 Bro~Jko, J. W., and Co. , Ltd., 28 11.1'. ~ix Porak and ltinto Rivers, 191 ; R eproduced , rylinder Engine, R e-designed, 452. 453 26 1 Coventry Victor Motor Cotnpuny, Ltd., ::it. Lawrouco ' Votcrway P roject, Propo110d Opposed-piston TwitH·yli ndcr Eugino, 454 \\' ork~:~ in I ntomational Rapids Seot.ion, :lOO Covoutry Victor Motor Company, Ltd .. Section of Dunos, nonr Schoorl, Hollm1d, 631 ' Voil\ or Palenled Four-st t·oko Out. board T<>st Section.'! of Kingston By-pass R oad, 46 I )~ngiuc, 454 Tilbury Dockt~, General !>tan of New \Vork11, Dorman, \\'. H., nnd Co., Ltd., :H B. H . P . 30 Petrol-paraffin Marine J~ngi ne, 508 <:leni/Tor ].;ngines, Ltd., 60 80 H .P . F our- MEAS . R C:ME~T. Precision, of Liquid l'rc~:t· cylinder H eavy Oil Engin!', 509 s ure, Budenburg Gaugo Company, Ltd., 116 Norris, H cnty and Gardners. Ltd., 57 B.H.P. Mechanical Stoker , Air-cooled, Edward B ennis Murine l~ogi ne, 452, 453 and Co., Ltd., 576 No rris, Renty and Gardncrs, Ltd., 35 ll.H . P. Metropolitan \Vnter Board, Annual R e port, 5:!6 Uonorator Sot., 452, 453 ~1ilking Plant, Now, Alfo.-Lnvnl Company, Ltd., 3:1 l't~r-iOII!! Oil Engine Compn11y, Ltd., 24 45 B.Jl.l!. Jo'our-cylindot' l'eti'Ol·ptm\llin 1\lining Co11t;s, Koc.luciug, 711 .C:ngiue, 50V Mining Elo<· tr·ical Control Gear, Me t r·opoliLau Vickors ~loctrical Company, Lttl., 54ti Stubbs, Jos<' ph, Lld., 2~ ll.J l.P. Outl>otml Motor, 508 Motor Fire Float for Port Sudan Merrywcullwr T ho t-nrcroft, J. I ., and Co., Ltd., 9 ll.H.P. and Son~:~, Ltd., 656 )flume Oil Engine, 452, 45:3 Motor V'-'hi<"le!l, Fighting, An Army DumouMlrnThoruycroft, J. 1., nnd ('o., Ltd., iS B.H.P. tion nt Altlorshot, 4tH i\Iarioo Oil Engiuo, 4.32, 4ri3 Motors, Spring-d ri ven, , 'piral Hpring:'l for, .E. C. " 'ii:I6Jlll\JJ, Alfred, Ltd., 40 H. H .l'. Fo\H'· " ' udlow, 474 C) lindor H eavy Oil lO:IIgiltl', 509 ~Iulti -languugo l ntorprolati on Systom, I:H SHIPS AND SHIPPING (conUnuefl} : General Matter s (c~mtinued}: l'u h·erisod l<'uel t\t Sol\, 'L'ho " l u··~~rno ro ' l nstall tltiou, 181 H ot<ista.nco B utt Wolc.ling in Suipyal'Ull, 7 111 " \Vinchestor Vast!~," Union Castle Motor Liner, Horland oncl " 'olff, L td., 424 Miscellaneous Vessels : 48ft. Express Cruiser, J. I. '.fhoruycroft t\ud Co., Ltd., 452 i\lotor Fire F loat for P or t , ' ud au, :Merryweather and ons, L t.d., 656 19ft. Colonio1 Runabout B oat, J. \V. Brooko nnd Co., L td., 452, 463 " Tborold '' P apE<r Cnl'l·yio!! ' ?essol, Etlrlo's :-Jhipbuililing and Engineo1·ing Com pany , Ltc.l., 64 HK YSCl{AJ>BH::i, 226 SmokoRtacks, The R eduction of Ash Di schurg~o~d by, 125 Spiral Spr ingo for Spring-driven ~lotors, E. C . ' Vadlow, 474 Spring Stools. Stress Strain Relationships in, G. A. Hankiu.s, 178 Steel Arch, I 652ft. , 'pan of, K ill van Kull Bridge, 650 Ht op Valvo. Sol£ -draining, 49 1 ~tros!! Strain Relationships in Spring l:iteclt;, <..:. A. Hankin~<, 178 :::iwath Tumor·, Ride D elivery Hako and , " '· 1\. Nicholl:lOH Ond Sous, L td., 3·1 PUMPS : T )'ump, Electr ically Opero.ted Petrol, S.U. Company, 482 TAVH OMETER, Six-speed 1l11nd, G. Thomas Pump, Three-stago Motor-driven, G'vyunes and Co., L td .• 492 and F osters, 33 Telegraphs, L .l\1. . R ailwRy, 224 Pumps, Sewngo, at J{nocke-sur -l.\Ior , 74 Telephone System, London Automatic, 464 Testrng Machi ne, Brake, Bendix-Porrot B rakes, Ltd., 649 'fl'sting Plant for Aoro-engines, I 30 R ToxtiJe Mills, " Varatio " Varinble l:ipocc.l Cct11' in, Variable P ower Transmissions, L td., 620 HAlL Holf•s un Iron un~l :-ilt,l•l, J•:. T. (:ood ou . 7 Thmshing Mt\Ch..inos, Rd. Garrott un d Son;o, Ltd., 34 RAILWAYS : Ti m bor Research, GL7 Chantarella.-Cor·viglit\ {.;t~blo Huihmy at St. Tors ionnl I m pact, Shoft Stresses Duo to, W. A. ~foritz, 676, 677, 680, 712 Taplin, 112 Foiluro of Flat-bottoro St.eel Hails, A. H . Tmctor Bindor. Massey-H arris, 87 H uddart, 650 T ractor, "Suffolk Punch " H eavy Duty Steam, London, ~tidland and 'cotti11h Hailway ComR. Garrott and Sons, L td., 63 pany, Hopper Coko Wagons. 491 "Tracktrailer " Fitted with " Orolo '' T ruck L .M.S. Railway 'l'olographs, 224 Un its, .John Fowler and Co. (Leeds}, Ltd .. 87 L .l\l.S. Railway, Nt>w ' .Royal ::icol. " Ex- T rolley Omnib uses, 152 p ress Train, 43 Trolley, 120-T on Rai.lway, for t.ho Grout Rail Rates on I ron und l:iteol, E. 'l'. Good, 7 \Vestem Railway Company, 48 Railway Corriage and \Va.gon ' Vheel Lathe, 'l'ruck, l ·Ton PE>trol-driven Factory, 182 H ulse and Co., Ltd., 198 Turbine Failures, Steam "Vulcan," 0<1 Rai lway Veh icles, Tho " Transit " Air Brake for, 460 Ht•ssion Roilwa.y Equip•nout, ti40 Signalling School o.t York, London and • V Nor th-Eastern R ai lway, 484, 488 HAKb: Side Delivery nnd Swath Turoor, ,V. K. VALVE, Self -dt·nining Stop, 49 1 " Varatio " Variable-speed Goar in 'L'oxtile Nicbolson and Sons, Ltd., 34 Rakes, Expanding Horso, 34 Mills, Var iable Power Transmissions, L td., Hnnd 'Vater Board, Atmual R ep o1·t, 139 520 Reconstruction of Now Brighton Promeu!ldo Pier, 262 Reducing Mining Cost:~, 7 11 Refuse Disposal in F rnnce nnd the Beccari Process, 6 H onewal of F oll<estono H a r bou r Swing Bridge, WAUON, 6-Ton Steam, F odens, Ltd., 6!.! 6 14, 624 (Supplement, December 5th, 1930} '.Yagon, Six-wh eeled Steam, Fodens, Ltd., ti48 Research, S\tbterranean vVo.ter, 606 ' .Ynrehouse Truck, A 5-Ton, J. Collis ond Sous, Road Roller, 32-35 B .H .P. Two-cylinder, OilLtd., 715 engined, Barford nod P orkins, Ltd., 88 Water Cooling in the Printinl? Tmdo, 129 Roads. Joints in Concreto, 11 6 \Voter Penetration E ffects m Leoo-sheatbed R olling Mill, Shoot Bar, for J t\pau, Krupp· Power Cables, 115 Grusonwerk, 510, 612 Water Research, Subterranean, 506 R opewoy Plant at a L argo Oil Workt~, H. \\' hitc W 1\ters, London, Report. on , 195, 230 and Sons, 696, 708 W orkshops, New Type of Floor inr; for, 577 R ussian Mt\rket for 1\lachiuory, 23.3 G48 481 111 0 I :\ I> L• ~'I'H LAL J kalll• Hcst'"''<·h Ho•ml, 'J'I'nlh Accessories : Air Compressors for· ;\lotor C~~r t:nmgos, 482 Amalgamated Co.rbu retter~;~, Ltd., Mcch. anicully Operated Pump, 482 B onclix-P orrot B rakos, Ltd., Bendix Brakes, V w I • s ,'(.;AHIFIER on t\ Hot~d l{ollor, Improved, John Fowler and C'o. (J,eot.la}, Ltd., 87 X X -HAY Crystal AUt\lysis in Engineering, Dr. V. E. Pullin on, 2 (SupplemCilt, July 4t/o, 1930} SCIENTIFIC INSTRUMENTS : JJiquid Pressure, Precision 1\Ioasuromeot of, Budenberj:( Gauge Company. Ltd., 11 6 Tnchometer , Six-speed Jland, <..:.Thomas and Co., Ltd., 492 SEWAGE Pumping J~quipmont at Knocke-sur~uppltmtnfs. 1\Ier , 74 Sewage \Vorks, Disposul, Hothwoll U r ban BRA UFOltD Power Station, Supor-prcll!l\lt'e District Council, 444 Boiler for (T wo-page Supplement, Soptorober ~~~It S.tress~~ Duo to 'l'orsionul Impact, W. A. 6th, 1930) Iuplrn, 11Bl'iLann.ia W orks of H opki.nsons, Llc.l., H uddorsSHIPS AND SHIPPING : 1 field (Supplement, July 18t h , 1930) J1'oll<o!ltone Hnrbour Swing Bridgo, R enewul of General Matters : (Supplomont, D ecember 5th, 1930) " Empress of Japt~n," Fairfield :::iltipbuilding J?orok Rivor H ydro-electr ic Po"or Sehcmo tmd Engineering Company, Ltd., 166, 174, (T wo-page Supplement, August 22nd, 1030} 206 THe llrKT~LtmOIST, July 25th, Auf(ltSt 20th, "c:nmrna 11.." 'fhl\lnt's Firo J?Joat, H o:-Joptombor 26th, October 31ol, November e ngined, 172 !!8th, Doc!'mbcr 26th l'crformlln<:e of Two Vo::~lool;; with Electric X -ray Crystal Analysis in Engincerit1~,l>r. V. E. 1'rao 11mi~~t~ion <.:car, " '· J. llclsoy, 154 PuUin (Su pplement, July 4.lh, 1930} • INDEX . • VI Tm: Et>OINt:HK 1:.11.:.~ SU J'l•L&Mt:N 'I', ,JAN. :!3, 1!131.- ( VOL. CL.) ·- Jlti.sttllanton.s J\,rtitlt.s. A .\CCUH •\ CY of C<>or T c<> th, 516, 5 17 ASSOCIATIONS. INSTITUTIONS & SOCIETIES (continued): ASSOCIATIONS. INSTITUTIONS & SOCIETIES (continued) : Institution of Mechanical Engineers : lnstitute of Fuel : " Charter " Dinner, 469 Annunl Dinner, 460 AERONAUTICS : Coefficients of H ollt Tran.'lror from Tube to Conforonco, Economicnl U~:~o of lruol in J,argo Aerial \ ' tew o£ Part of tho Port of HCIIH&~. 396 Water, A . Englo and R. 111. Forguson. 605 Power tations, 373, 377 Aonal \'iow of T ilbury Landing Stago, EfToct. of 1\let.allic Coating upon Fatiguo, Industriol Uses of F\lol Oil, I Lubbock, 490 CW!tom~J H oll!le, and Railway tatt oo, 28 R. H. D. Barklie and H . J. Davios, 670 Presidential AddreAS, ir Dnvid ~filne Aero-cn~tnos , .\ir-cooled, A Renew of E~corpts from the Address by the President, Watson, 675 Don•lopmonts in the Past T on Yt>MS, L oughnnn St. L. P ondred , 447 ymposium, Papers on Fuel Probleml! in the A . H . R . Feddon, I Hawks1oy, Thomns, l.ccturo, Machinery of thr ~lorcnnt.ile Marino, by terry B. Freeman, Aircrl\ft E'hibttton in Paris, 629 Earth, Professor J . W . Cregory , 632 D r. W. M. i\Ioijor, nnd Mr. W. J.l\lullor, 521 Airpluno Factory in CtHtt<do, 5 10 H eat Transfer from Tube to Water, Albort VISITS : Air P ort'!, Oil-paved R unways for, .J. A. Eagle and R. i\£. Ferguson, 696 H orlthy, 260 Barkine: Power Sto.t.ion, 373 i\Ianufacturo or hoot Class, Professor \V. E . " R 101 " D•saster, 395, 400, 401 Greenwich Fuel Research Station, 376 . Turner, 667 "R 101 " nod the Altimeter, Colonel Sir X -Rays in Engineering Proctico, Dr. V. E. NonTn-W&sT&nN S&CTION: Gord on Heam, 589 Pullin, 682, 686 Sampling and Annlysis or Coal, Discussion on AN ApoloJ(y, 678 Proposod British Sto.ndo.rd Spot'ification, SUMAI:Eit M .!!:ETJNO A'J.' illiiS TOL : Analy11iH, X -ray Cl'ystnl, in Engineering, 2 436 Air-cooled Aero -engin es: A Hoviow of Devo· lopmonts in lho Past. Ton Yoarl!, A. H. R. Institute, Iron and Steel : AMERICAN ENGINEERING NEWS : F ecldon, 18 AUTUMN i\1Et;TIM.l AT l' R.\CUt: : 117, H5, 2 19, 275,534, 629,703 VI SI TS TO \\'om.:s : Cold Storugo at. Coke Work '!, 629 306, 34 l , 360, 408 Clovoland'H Now Joint. Station, 145 Bristol Aeroplane Company, Filton, 5 . Analysis of Basic Sing ond the Hoprosonlu· Concreto Crib Rutaining WILlis, 629 Bristol Corporation Elect ric Uenoratlllg Lion of their Composition in a Triangular Concreto Ji&uled to Plueo of Use, 275 Station, P ortis1lcad, 31 D iogram, Profos11or Atkar Quadrat., 360 Droinngo \ Vater fol' Irrigntion, 249 Bristol, P or t. of, Authority, 6 H eterogeneity or Ml I ngot i\lado by the Eng1ncertog in the Theatre, 534 Bristol \Vaterworks Company, 6 H ormot ProcoHS, Dr. A. Kriz, 306 CM Bngtnes of 6000 kW at South Chicago, H igh -frequency S teel FUI'D3Ces, D . 1-' . CampFry, .]. S., and , Ol\8, Somerdalo, 5 117 bell, 362 Cloucostor Rntlway Carriage and Wagon Cas and Otl Pipe Line>~, 275 Open-hearth I•'urnnco Steel \\' ork~, H . C. Company, Ltd .. Gloucest er , 6 H eat Resistant Cast. Iron, 703 Groat 'Vest ern Rnilway Compnny, LocoWood, 360 High-pressure Locomotives, 249 Permanence of Dimon11ious Uudor Stress nt motive, Carriage and 'Vagon \Vorks, Hopper Drodgor with Screening Plant, 634. Swindon, 31 E levated T emperatures, Dr. ' "· H . Hydro-elect r ic Generat ors fol' Ru!!<!ta, 629 Lis tor. R . A., and Co. , Ltd. , Du rl!loy, 6 Hat.field, 345 H ydro.clectric Power Station, New, 629 Pottol'9 Ltd., Wcs tland \\'orkl!, Y1.1ovil, 32 Porfol'mance of Dimensions Undor .'tress at. Xow P ortland Cement Works in To~as, 146 E levated Temperature>~, Dr. \\' . H . Sisson, '"" and Co.. Glouc~ster, :n Power-operated "Tod~tt>~ for Coal :.\fining, 275 ~pence!' (:.\Jclkshnm I, Ltd., lltclkt~h l\ll'l, 31 Hatfield, 408 Pulvoril.ied Pitch for .Fuel, I 17 Rtothert and Pit.t, Ltd., Bath, G 'Vhat. Reasons Coll\pellod tho Prn~otul\ I ron · Railway Eleclriflcalion, 703 Westinghouse Brnko and Saxby :)ignal Com works to lnt.roduco Thin-wallod HI M t· Rurol Blectr ificat.ion, 14 G pany, Chipponham , 6 furnaces ? In g. Dr. J. Sarok, 34<1 Salt Wells and iUinos, 275 Wills, W. D . and H. 0 . , 5 A u T Ui\IN 1\rt:&Tl ~o tl{ PnM:ut:, V L!ll r s : Self-unloading Sto~~omerll on the Groat. Lukos, NonTB·,V.Es T Ba.t.NO.Il : 145 Hkodl~ Works, P il!ll'n, 302 Annual Dinner, 663 Steel Arch Bridge, 1652ft. Span, 275 Trint'C " 'orks of the Czecho<~lovt.~k Miniug Some Coll.flidorat.ions Afiecting Futuro Dcn·o · Testmg Welds, 703 and Ironworks Company, 345 loproent. of the Steam Cycle, K . Baumann, Use or T rcotod Timber, 63 1 Vitkovice Mines, Stool and Ironworks Cor · 618, 638, 544. Vont•IM,ion for Roilway Corll, 703 poration, Vitkovico W orks, 404 W elded Stool Buildings, 629 YORKSHIRE BRANCH : Institu te of Marine Engineers : Chairman's Addre1111, Obsolescence and ARMOURING for R ood ' urfuccs, B i!tler Tubes for H igh-prol!ljuro 'Vater-tub(• Botlerl!, Organisation, Major F. L. Watsoo, 71 0 Brothers, Ltd .• 660 S. 1-'. Doroy, 660, 672, 600 _ Ash-hondling Plant at Brighton, A<.b l'om pany . Institution of Mining Engineers : (London), l.td., 504. lnstitute of Metals : Ninety-first. Cenerol Meeting at Birmingham, Autumn Meot.inf( nt Southamptou anti in Programme, 10 ASSOCIATIONS, INSTITUTIONS & SOCIETIES: F mnce, Pro~rammo, 88 Association of Engineers, Manchester : Autumn Mcotmg o.t. Sout.hampton, :!8<1, 291, Institution ol Naval Architects : Prcs1dential .\ddrcs~. G. E. \\'indcler, 3 17, 336 Performance of Two \'essels with Electric Thermul Progress, 136 Aorona\ttico.l Indut~try, Tho U~:<o of Non Transmission Gear, W . J. Belsoy, 154 Selection und 'frcntm(•nt or Gear Mot edol~J, ferrous ~fetAlis 111 t ho, Profes,or D . HaMon, Summe<r 1\Ieetin~ at Liverpool, 59, 84 :Fmncts Rowo, 6:!2 291 Cargo Ships and Dock Equipment, R. T . Storod Energy, Julius .F rith and}?. Bucking· Artificiol Ageing of Dural\uuin and HuperWilton, 85 hum, <178 Duralumin, Dr·. 11:. J,, i\Joissnor. :119 :Economics oC ('orgo Liners, H on. J,. H . Visit. to tho BriLi11h O~ygon Company's l•:fToctll of Two Yoarl!' Atmospheric B:..posuro Cripps, 60, 72 W orks at. TrafTord J.>urk, 398 on Breaking Load of Hard -drawn Non· Mechanisation of Airship Handling, i\Jajor frrrous Wires, Dr. J . C. Hudson, 335 G. H. Scott, 61 Association, British, for the Advancement of Gu11 Ht>moval and Groin Rofinomont. of Ship Performance and Ruddel' EfToct, W . H . Science: Aluminium Alloys, Dr. ,V. Ro8Qnhl\in, Woolnough and Dr. A. M. Robb, 84 J . D . Grogan and T. H. Schofiold, 317 15RCTJO' F, B co'o'uo Scu.. ~ct: AND Virtual Mass or Ship Models, Professor T. B. S1' ATJ ST1CS : J~atti('o Distort ion as a Factor in the lla r·donAholl, 85 iug of !\lotals , W. L. Jo'ink and K . R . Von Cos tin,l! m lndustry and A(?ricultun, , R eWind Resistance of Ships, C . Hughos, 85 H orn, 319 marks of Mr. A. Cathles durmg Di scut;~~ion, Visits and Social Events, 86 Prr"Suro Dio-ca.'lt. Aluminium Alloy Te11t 366 J>ic<·es, J. D. Groi(On, 318 ' tliton-coppcr All oys nnd Siticon-munguno.;;o- Institution, Nor th-East Coast, ol E ngineers a nd XM:'I'IO~ C, E:.m,~J:.RJMJ: Shipbuilders : r opper Alloys, Dr. E. Voce, 335 273, 286, 286 Prt~sidontial Address, J. ~IcC ovorn, The Ship· Sili<·on-7inc Alloy, .No", E. Yadcrs . 335 Open m~ Meotin~, I nterdopondonco of Scionco building I ndust ry, 4 92 Study of the R elation Botweon 1\lacro o.nd and J'~ngmoormg, Prl'sident.ial Address, Sir l\1 icros lructurll of 11omo ~on -ferrous Alloys, Ernost :-.roir, 273, 285, 302 I nstitution of Structural Engineers : Dr. Marie Gaylor, 319 Air-rooled Aero·ongmes , Mr. C. F. Auoll, 285 Pres idential Address, R. H. Harry Stanger, Use of Non-ferrous Metals in the .\ero· Con!lumplton of Fuol 1n Lot' omotive PrtiCttt'O, The Art of Concret~ Making, 491 1\l\ultcal Industry, Prore>:tSor D . Hal\llon, ::itr llonry .Fowler, 2i7, 333 29 1 Design ond Conatructton of JI..~l.A. " R I 00," \'tsi ts to Ordnonco Survey Office, SO\tth· Society, American, of Civil Engineers : ~Jr. B. ~- Wallis, 303 1\mpton, Portsmouth Dockyard, and Super· Civil Engineering, Now Journnl, 568 Earth Pressures and Stres.~Cil in Ovorstroincd ml\rino Aviat.ion \\'orks 1\t Hythe and Materials, In terim Hoports Presented by Society, American, or Mechanical Engineers : W oolston, 3 19 Profot~-~or \V. Cramp, 365 Cemented T ungsten Carbide as Applied to High·l!pccd H eavy 01l Engine, Dr. S. J. Institute of Transport : Cutting Tools, L. J. St. Clair, 7 15 Danes und r,[r, l::. GifTon, 286 Transport. Problems, Pre ~idcntial Addrc:ls, Obscured Jo' undamonlals tn Electricity Supply, The H on. Sir Arthur Stanley, 423 Society, Newcomen : A. L . !)tanton and T. Slovens , 333 Fire. sxti nguishiug Engines in England , Roport of Committee on Elcct.rical Terms and I.nstitution of Automobile Engineers : Doliuit.ions, Presented by Profcsl!or .F. Cl. 1626-1726, Rhrs Jenkins, 686 Summer Visit, 23 Old Cornish i\Iinmg Torms, A . Tilley, 713 Bn1ly , 365 Sta'\lctural Steel D os tgn and R egulations, Institution of Chemical Engineers : Society, Royal Aeronautical : J. S. Wilson, 36 J Tht'ory and Exporamont. in Structural H igh-pressure Reactions, Profcl!hor \\'. A. Akroyd.Stuart Memorial Lecture, Origin and Do11ign, Professor C. Botho, 364 Bono, 537 Development of Heavy Oil Aoro -ongines, Trend or Airship Construction, Disculll!ion, D. R. Pyo, 705 Institution ol Civil Engineers : 303 Prosidential Address, Sir Georgo W. Hum- AUST RALIAN-BUILT Floating Dock, 449, 'J'urbulonco in Petrol Engines, 1\lossrs. T. F. phroys, London's Engineering Problems, H urley and R Cook, 285 466 502 Uso of .lilgh Steam Pres~uros and T omporaAutomatic Loom, Platt-Toyodo, 644, 646, 662 Opening Out of Coflon Tunnel, London, :\l id· turo 10 the Goncratton of Power, G. A. • land and cottash Railway, R. T . McCallum, Orrok, 333, 3!0 565 SECTIO"'S G A' I) I : O ctober Examinations, 1930, l'oRs List B (Interim ), 568 D isculll!ion, Air Prolll!uro Variations l•:n. countQrcd in .Engineering Works and thoir BA'l TE lt ' l•:A P owea· ::it ation, 550, u92 Institution of Electrical Engineers : Ph ystolog•cal Bflocts , 302 Batt <'rsM P ower Stat1on and Sulphur, 592 Presidential Address, C. C. Paterson, 171> Bonrd or Educator, Sc1ence Awards , 660 St;(.'1'10' J, Pi>Y<'UOLOOY : J3otlor Circulation, Owena Botlor Ci rculator, Institution of Engioeen and Shipbuilders in I ndUlltrtal P11yc holog~, Dr. C. ::;. M~·or11, Ltd., 575 Scotland (Incorporated ) : !?.H.X., 366 Bro.dford Power Station, Supor-pr(IS!Iure B oiler Industrial Conditions, Col. Sir Jnmos Lith· for, 244, 254, 278, 279 (Svpplcmcnt, Sep· Association, British Engineers ' : gow, 398 tcmbcr 5th, 1930) Current Alluirs, ."ir Utlbort C. \ 'ylo, 45 1 High-pressure Water-tube Boiler D evelopments Institution, J unior, of Engineers : at. ltenfre w W orka of Babcock and Wilcox, Association, Canadian Good Roads : Development of the Bridge, S. J . C'rispin, 106 Ltd., 366 " ::>upor L ancashire " Hotler, D . Adoma~on and Annuol ('onve ntion, 3U5 I nstitution of Locomotive Engineers : Co. , Ltd., 321 Association or Diesel Engine Users : R oad Transport., .Presidential Adclrol!tl, H. lloiler1:1 of the " King Ueorge V.," 367 Books of R eference, 183, 619 Kolway Bamber, 377 Award for Best. Papea· .Presented, 23 "r. Uoo!ltor Pum~>~ for Oil Gas, Cen<' ral Oil Gas Cor. poration, :Now Yo!'k City, 568 Brnke Testing ~lachine, Bendix-Perrot Brakes, Ltd., 549 Hnck -mo.king Process, Automatic High-speed, Vimax Machinery Compnny, Ltd., 370, 379 BRIDGES : 1E st hetics in 1\fotal Bridge De'ligns, W. Nelson Elgood, 256 Bascule Bridgo at Great Yarmouth, 558, 570 Halifa~ Harbour Bridge, 310 Hudson River Bridge, Tho, 11 0, 122 Railway Bridge, Quick Replacement. of, ot Carr -lano, Liverpool, 491 Honewal of Folkest one H arb our Swing Bridge, 614 , 624 St. Lawrence Bridge, Now, 131 Shifting Bridge Piel's in the U.S.A ., 307 S teel Arch, ! 652ft. Span, of J'ill vau 1\:ull Bridge , 650 Sydney IIarbo\tr, I 0, 12, 4(1, 17 BRTTI 'H Ch(lmacnl S tand tml " Bronw" (B rass) " B," 293 Bri ttsh Engi necri ng Ind ust.ry, Heal it io.ll u nd Problems, 632 BRITISH ENGINEERING STANDAR DS ASSO· CIATION : British ChNnica.l S tandnrd " Bronzo " (Brass) " B," 203 llr1tish tandard Conversion 'fable,., 4 7 Hat ionalisation in the Iron and Steel I ndWILry, Appointment of C01nmittco, 622 Specifications : Allachtnout of Ctr<,uJar Mctul Uuttiug Sa\\H, 289 Bronzo \\' in.1 nnd ('t,omium CoppM \\'i re, OU3 Carbon Filawl•nt Glow Lamp!!, 88 {'olours for Roady-mi xod Pmut H, r.:11 Derrick aud 'fnwolling Jib <.:a'l\110><, I H3 Blectric Cahlo ·oldori ng 'ock(lt ,., 133 Lrclancbo T,vpo Primary Coil.~, 3!i l N on-rerrou" M<'tals, 88 Pe rformance of Desk T ype Bh•ctm: .1-'an!!, 17 Porcelain Tns ulators for Power Lmos, 635 Hoofin~ Tilos, 717 :-ihort-hnJ< 'VrouKht I rou Cmuo Chu.in. 2t!O 1'\tcol Forging11, Blooms auo Ca stings, 289 Hteol Gas Cylinders, 537 Symmetrical Li~ht Distributions from Ligltl· ing Fit ting" (B.S.S. No. 398, 1930). 42:1 T ungsten FJlamout. Elcctno Lall)pll, 46:1 Wheel Run>< ond T iro B and:! for AulomobiJol!, 67 8 Wrought L ight. Ahun.iuium Alloy Hltoot::1 und 'fubes, 289 BHIT I SH and A11iutic l::ugi uoors, C. A. :\l iddlc•· ton Smith, 391 Broadcasting !)talion for \\'ar ...~w. Poland, 4(16 llruckmann, Dipl.-lng., R ece nt. D rog-lino .Ex· ctwator rmctico in Gemlany, 388-391 BUILDING EXHIBITION, OLYMPIA : 3<17. 378 .Builders' H oist., S t othort. uml P itt, Ltd., 370 Chain and Chil!Ol Mortising i\lochino, WIM.Ikin and Co., 378 'ombined Planing uud T hickno11~ing Machi Ill', Wadkin nod Co., 278 Concreto Mixot·, Avoliug mad l'orlut·, l~td .. 37tl Concreto Mi xer, Morshall,, 'ol\ll ond Co., Ltd., 370 Concreto Mi xc>r, )1 i llnn~' Machtn(•ry Compouy, Ltd., 348 Concrete Mi xer , Honl!omos und Ht\pier, Ltd ., 378 Cross-cutting and 'fl'6nclting Mncltine, 'Vt\d· l<in e.nd Co., 378 E lectric Drive T enon ing i\fodnuo, \Yad kin and Co., 37 Electrica.By Dri ven Yert icol-spindlo Moulder, 3i8 F enci ng Wire, l'onfold }'onc·ing, Ltd., :147 Models of Cmnt's, Hutter11 .Hrothorl! nnd t'u. , 378 Mortising Mucltinl', J. Sagt\1' 11nd Co., Ltd., :179 l )uint-mixing ontl Grinding ~l aeltinos, Grind· ang, ~l ixing lUld 'epara.t mg 'ompony, Ltd., 34.7 Pug MilJ for .Ha·ick works, 11. l\nd R Liutott, 347 Pump, Portable, for Liftin~ und F orcing Purposes, 'Vingot, Ltd., 317 St\w, Cant.ing-spindlo D i mon11ion, \\' odk.in and Co., 378 Other Exhibit ~:~, 379 c C. \LA~ DRIA \ "tLCttum Pan~:~, lnclmQd, )lirrlces \Vatson Compnny, Ltd., 410 CANADIAN ENGINEERING NEWS : 19, I 02, 130, :.!:15, 289, 310, !i Ill, 578, tiUO Atds for Coal Inllul!try, 13 1 Alberta Bituminous ~and-., Gi 9 .\lcoo Po''l' r l'lon t , 6611 .\mm ont \111\ Xulpht\lt', :J ltl Anot her Nickd Plant. 5i9 AtlbOl!l OS, 310 A\ttomotic Troin Line Couplin.,;s, (itlO J3ig Barking Plant, 5 10 Big Flot ation )Iill, 235 Big caboord P ower Plant, Ill:! B ounty on Iron Oro, 19 Hriquetting Plont, 6i8 Building l ll8ulation, 510 Co.nada.'s Fiscol P olicy, 130 Canada's Now :Seaport City, 6 10 'J'ug };SOINEER INDEX 8UI'l'L£MEliT1 JAN. 23, 19:H.-{\'OL. CL.) CANADIAN ENGINEERING NEWS (("o11tinued): Canadian Machinery, 103 Canal, Work on the Beauharnois. I 03 Chemical Industry Progress, 102 Chemists to Join Forces, 131 Coal, 454 Coking Plant, 19 Creosoting Plant to be Incroa>~t•d, 578 Electricity on Prairies, 289 Experiment with Cobalt Ores, 2 9 Fertiliser Plant, New, 103 Fertilisor Plants, Advanced, 19 Flin Flon Starts Production, 5 10 Cas P roject for South. Western Ontario, 660 Halifax Harbour Bridge, 310 Huge Natural 01\9 Projects, 289 Improvement of Montreal \Vatorworks, 310 I ncreased 0 rain Storage, I 31 International Nickel Operations, 310 Labour Problems, 578 Largo Airplane F actory, 510 Lignite Coal Developments, 102 MichiEicoten Coal Dock, 19 M.ine Head Electric Plant, 103 Mining Laboratory, 579 New Aid to Navigation, 310 Now Dock and Fertiliser Plant, 131 New Means of Communication, <154 New Reaper T hresher. 13 1 New St. Lawrence Bridge, 131 New T ube Mill, 660 Ontario's Iron Deposits, 289 Ontario's J:\'lineral Output, 102 Onttuio R~\dium Deposit, 660 P etrol, New Soux·ce of, 103 Petroleum, 660 Plans for Stebl Plant, 131 Power Plant Planned for T o ronto, 235 Progress at Churchill, 578 P roposed Big Smelter , 131 Railway Cnr H eating, 454 Railway Extensions, 19 Railway Linlt in British Columbia nt::nring Completion, 5 10 "R l OO's" Visit to Canarln, 19 Rubber Industry, 235 Sod.ium Sulphate, 660 Ton Engines for the C.P.R, 131 Timber , Tl'enting 100ft. , 102 T rain T elephone Service, 660 T ransmission Lines, 578 Transportation, 510 Tube Mill at New Toronto, 60U Uso for Cedar \\' &Hte, 45 I V•mcouvor's Municipal A.irport Opt•nocl, 578 \ Vestom Peat, Resources, 3JU ( '.\NA L , J'roposod Chignoct.o, 28U Ct\rtridf:to <:uses, Manufacture of ::i.. \ . .1\., :F. .i\ tko<"l<. 668 Ua'ltlo N\•t, Novol, 577 Ct\tnlo~ue~. 23, ~ l, 77, I 05, 133, 159, 265, 325, 464, 55:1, 691, 717 <.'t'ntono.•·y of Li verpool and Manchester Rail. Wt\y, 3 15 l'itrotln l <egrosse Petrol 'l'rn.ctor, :l39 <:oncroto, Bonding Now Concroto to 01<.1, :HJ:J {'orwroto P i pc. testing Mo.chi no. 32:1 Con!!LI\11\.-curront Electric Driving on the Austin System, 704 Contracts, 26. 77, 105, I :J3, 150, 185, 213, 2:39, 295, 325, 38:3, 4 I 3, 139, 472, 495, 525, 553, 584. suo, 635, 663, 680, 710 ('on t rol Gear, Electric. Lauronco Scott and l!:loctromotors, Ltd., 714 t'oppor l:>moltin~t Practice, 394. Crane, 5-Ton Overhead Travelling, ,\ith B1\ll Bot~ rings, J. Adamson and Go., 236 Cmne, 6·'1'on P ortal. Operated by on Oil Engine, .roll . .Booth nod Bros., Ltd., 4.4, 45 Cmno, Light Locomotive, for Ash H andling, 102 C\trror\t Aflt\irs, Address by Sir (.lilbe r·t C. Vyle to t.ho British Engineer!!' Association, 45 1 Current }>rice>~ for l\Iotals and Fuels. 24, 52, 78, J 06, 135, 160, I 86, 214, 240, 266, 296, 326, 354., 384,414, 44.0, 470, 4.96, 526,554, 582, tl l 0, 636, 664. 692, 720 Uutt.in~ T ests with Cemented T un~tstcn curb•do l .atiro Tool8, T . 0. Diggcs, 24 7 D J)i\ VJT, Tho Bnrclay, Union.(;a;stlo ?l'lotot· Liner "\\ iochester Castle," 425 Demonstmtions of Rifle P erformance, 320 Depth Soundin~ Recorder on Union·Co.stlo Motor Liner ' \Vinchester Castle," 425 Dorl\ilments of Express I .-ocomotives, 307 D etroit River Tunnel, Oponinf! in November , 349 Devices for Handling Awkward H eavy Artic·les, T ransporting Machinery Company, Ltd., 261 Dio CMting Practice, Modem, E. V . .PnnneU, J68, 193 Dionic Water Tester, 'h:vershed and Viguoles, Ltd., 350 DiHposal of Refuse in Franco by tho Beccari Procost~, 6 Drill, ]•'our-cylinder Rotary Pneumatic, Globe Pneumatic Engineering Company, Ltd., 632 ))nnstou "B" Power Station, Equipment of, 426 D\tranty, 'V utter, Notel! on a Tour in Turkestan, 450 Dust Arrester, New, 7 15 Oynnmometor Cars at t he In ternational Agricultural Tractor Trials at Ardington, 308, 309 E E l"l<'EC'l'S o( Phosphorus on the l:ltrongth of Admiro.lty Oun-metal, H . C. Dows, 336 ELECTRICAL MATTERS : 'h:lt><·tric Control Ooar, Lauronco Scott nod Eloctromotors, Ltd., 714 l::lcctrical Control Gear, ;\! ining, Metropolitan.Yickcrs Ele<"trical Company, Ltd., 546 Elo<'tri<' Scoreboards at Wirnbh•don, HobE>rt A. Smith, 145 Electricity Supply and Fluo 0t\HCil, 394 General Electrification of France, 246 Uonoration of Eloct.ricity, 492 Hcav~ Duty Butt FIR.Sh Welding !lft\chinos, A.l!:.C, 540 •• vu INDEX. ELECTRICAL MATTERS (continued): FRENCH ENGINEERING NOTES (continued) : INTERNATIONAL MOTOR EXHIBITION AT OLYMPIA (continued) : High-tension Lino Protection by the P etorson Public Wor~. 53,527,611 ll· 8 lT.P. .'ix-cylinder Car, "Scorpion " Arc Suppressor, 126 Railway Accident, 415 Triumph Com}?any, 481 Magnetic SopMatioo and Sieving of Found•'Y Railway Accidents, 527 40-50 B . P. Car , 'Phantom H .," .Rolla· L~oyco, Sand, Rapid Magnetting Ma.chino Com· Railway Deficits, 25, 497 428, 431 pany, Ltd., 630 Railway Disasters, 6 11 l •'urthor Developments in Saloon Car, Trojan, Melbourne Tramways, Mercurv Arc Ro<'tiRor Railway Enterprise, 497 Ltd., 480 Equipment for tbo, 656 • Ro.ilway SignallinR, 355 Improvements to Standard Types of Cnr11, Modem Switchgoar. A. Reyrolle and (.'o.. Hl\ilway Speeds, 53 Riloy Company, 479 Ltd., 675 ReCuse Disposal, 187, 327 New Trsnsnussion System for Cnra, 01\imlor Network Boxes, British Insulntod Cables, Reinforcement Tubes, 24 1 Company, 479 Ltd., 622 Road Construction, 356 19 ·7 H . P . .Engine, " Vortic" Car, H illrnnn New Type of Terminal Bushing for Extm Road En,ltineering, 216 Company, 481 High Ten11ion, 407 Rollin~ Stock, 79 "Silver Eagle" Car, Alvis Cornpl\ny, 470 P&st and Present Electrical Work at Chelmll· Rolling Stock Costs, 135 Six-cylinder Eogino, " :\forris 1\Injor," 48 1 ford, Crompton Parkinson, Ltd., 434. Rnrnl Electrification, 721 Six.cylinder Saloon, "Morris I sis," 48 1 Prott~ction of Altornnting.current Generator>!, R~sian Anthracite, 79 Six.whoelod LimoUBine, Crossley Motors, 138, 1B4., 194 Snutot Dam, 327 428, 434 Resistance Butt W olding in Shipyards, 716 Sea Water Power, 471, 655 16 H.P. Car, Six.cyli nder Saloon, I mprove Single.phnso Repulsion Start Induction Sevonteenth-centut·y Ship, 38G ments to, Standard Company, 4 28, 434 Motors, B49 Shipbuilders' Union, 637 16-50 H .P. Car, Sectional Viows of E ngine. 62,500-kVA TurbO·jlOnorators at Goldenburg Shipbuilding, 25, 107. 187, 583, 6115 Cear.box, F ront. and Back Axles, H umbor Power Station, Oerruany, 144, 148 Shiphuilding Jllntorial, 267 Company, 432, 433 Summation Metering Equipwont, Ferranti, Smoke Consumpt-ion, 41 5 Supercharging Adopted on Each Bngino, Ltd., 628 Social Charges, 63 British 1\Iorc6dt\s.Benz Company, 479 Terminal Bushin~ for l<~xtra High T ension, Htcol Cartel, 297, 441, 497 10 H .P . Car, Rover Company, Ltd., 481 Now Type of, <107 .'tedl Comptoir, 53, I 07 30 H.P. Chassis, I nvictn Company, 480 Turbo.gonorators, 62,500-kVA, Ooldenburg Strol Consu mption, 4 11 20 H.P. Car, "Ranelagh " LimoUBine, AlteraPower Station, (;ormnny, 14.4, 14 8 Slet>l Price", 79 tions to, AUBtin Motor Company, 428, 4 33 Steol Production, 355, 01)3 20- 25 H .P . Cho.sais, VarioUB New F onturos, ENGINES AND MOTORS : Steel Trade, 161 RoUs· l'toyce, •at Stool and Engineerin~ Trades, 327 Oil Engine, Airless Injection Cold Starting 10 H.P. Car, Singer Company, 481 Steel Trndo Disor~~:anrsotion, 4 I 6 H orizontal, Ruston and H ornsby, Ltd., 32 l Z-50 H .P. lfour·cylinder Car, Alvis CornTrade Reforms, 555 Oil Enain{l, Four-cylinder Vertical, Aveling pany,479 Trndo Situation, 24 1, 385, 665 and Porter, Ltd., 86 T rade Tendencies, 721 Heavy Oil.engined Locomotive for Planto.· Accessories : Trans.P yrenees Railwl\y, 107 tion St)rvice, Avonside Engine Company, Air C'ompros~ors for Motor Car GnrnC(oS, 482 Tro.ns.Saharl\ll Railway, 637 Ltd., 223 Air·cooled Air Compressing Plunt, R omuo Wages, 471 Oil Engine , L ow-pressure High·spood, Oil 1\lotor Accessories, Ltd., 482 Wages Reduction, 583 Motors, Ltd., 45 Air Filter and A.ir Silencer, Smith, Franlt und Wagon Builders' Union, 297 1\Iarine Oil Engine, 2 1<10 B .H.P. Doubleeo., 482 Wagon Cartel, 385 acting Two·stroko, The Jorgensen, 232, Bendix Brake!!, Bendix-Perrot Brake!!, Ltd., Water Congress, 53 233 Wreck Explosion, 603 481 96 B .H.P. Hi~h ·spced Oil Engine for Road Duo Servo Brakes, Bonru.x.Perrot Brukos, Transport \Vork, Associated Equjpmont FUEL Oil Tractor, 1\!arshtlll, Horll! tmll Co., Ltd., Ltd., 481 Company, Ltd., 507 338 Fluid F 1y.whool o.nd Self ·changing Gunr.box, Oil Engine, 1000 B.H.P. Vis·A-Vis Hori· t<usion Wcld.in~ of ProtsSuro Vo!!sull!, 393 Daimler Cornpany, 479 zontal for Fen Pumping, Premier Gas ).J<W Lighting Set, Boulton and Paul, Ltd., Engine Company, Ltd., 620, 621 ; (Erm 508 turn), 678 Pump, Elootrically Operated Petrol, H. V. Oil Engine, 70-77 B.H.P. Twin.oylindor Company, 482 Vortical Henvy, Davey, Paxman and Go., G Pump, Mochnni cnlly OperaLcd, Arnnlgmnatod Ltd., 87 Carl>urottor'i, Ltd., 482 Oil EngineR, Junkers Design Opposod·piRton (:A~ Compressor, SovOJHiltlgil, Sul:wr Hrothor,;, 'l'hit•f .proof " Petromag " Lock Tup, H.oss. Honvy, 258, 288 11 8 <.:ourtney and Co., Ltd., 4.82 En~losson, Elov, Pitting in \Vater Turl>i11c:>s, Ut'" Lighting, Eu rly Dl.\yll of. 1'. C. C•·ocroft, Somo other Exhibihs, 510 418-421 616, 64 2 EXCAVATOR Prnctico in Germany, Hocent Motor Boats : Drag·lino, Dipl.-lng. Bruckmann, 388-31) I 48ft. E:~.pr!'-.!:1 <:ruisbr, Tbomycroft, J. 1. , tuul Co., Ltd., •I G3 · EXHIBITIONS : H 19ft. Colon.itlll{unabout Boo.t, Brool<e, J. W., Aircraft Exhihition in Paris, 629 and Go .. Ltd., 452, 453 International Motor J!;xhibition at Olym pio, l(ACKSAW Bludos, i\fut~uft1ctvre of "Eclipso," 431 3 12, 3 1() Marine Oil Engine Section : Marine Exhibition i11 Puri;s, :396 H'onrn, Colo•wl Hi t· Cordon, '' R 10 1 " anu ()1 13.1 LP. Marine IO:ngino, Norris, Jionty (uod Model Engiu cer Exh.ibition, 277 the Altimeter, G89 GMd.uers, L td., 462, 453 Phyilical nnd Optical Sociotios' Exhibition, H eating and Dryu11:; of Crl\nular Muloria.ls by 5 ll.H.P. Two.cylindor Engino, llrooko, J. W., Jon\tl\ry, 1931 , 678 Convection, W. Gilbert, 500, 530, 674, o87, and Go., Ltd., 453 Wireless Exhihition nt Olympia, 33•1 617, 640 40 B .H.P. Four·cylinder H eavy Oil Eogino, Jligh ·prosOiure Water.tuho Boiler DevelopWiseman , Alfred, Ltd., 509 ments at Renfrew Works of Babcock and 42 B.lLP. "Acro" Heavy Oil Engine, Aill!a Wilcox, Ltd., 366 Craig Motor Company, Ltd., 452, 454 HofherrScbrantz · Clayton Sbutt.lewort.h 30 9 B .R .P. Marine Oil Engino, 'l'hornycroft, F H .P. Tract or, 339 J. J ., and Co., Ltd., 452, 453 H ydro·oluctric Power Hchomo, Pen\k River, Op~osod - piston Twin - cylinder Engino, FERRANTI, Lt.d., Summation Motoring Equip190, 191, 202, 220, 228, 21)(), 25 1 Coventry Victor Motor Company, Ltd., 454 ment, 628 llydro Thermal T idal Puwo•· l:lchl11ne, Paul Outbot\rd Engine, '\.Voaver Patented F ow·· Fire E ngine, 36-40 lLP. Motor, Merryweo.thor Shi!!hlcolt, 330, 358 strolco, Coventry Victor Motor Coropnny, and Sons, Ltd., 88 Lt,d., 454 Fire FiJZhting Applinncos, Three Now, Mol'l'y75 B ..H.P. Marino Oil Engino, 'fLornyor oft, weather and Sons, Ltd., 98 J. 1., and Co., Ltd., 452, 453 Floating Docl<, An Austre.linn·buil t, 449, 456 60-80 H .P. Four.cylinder H e11vy Oil Engiuc, Flowing \Vater , J. M. Lacey, 218 I Cloni ITllr Engines, Ltd., 509 Flue Gasos, Electric S\tpply and Cleansing of. 34 B.H .P . Petrol.pnrallin l\11.\rino Bnginc, 394 IN'fEI'tN ATI ON A L Agriculturul True tor T rials Dorman, W. H., ancl Co., Ltd .• 508 Forthcomin~ Enga~omonts, 2~. 54, 80, 108, 13(1, at Artlington, 308, 309, :}37 35 B.H .P. Conorator Sot, Norr is, Henly ouu 111?, 188, 2 1B, 24 2, 268, 297, 328, :\56, 3~11. Gnrdncrll, Ltd., 452, 453 416, 442, 472, 498, 528, 556, 584, IH2, 638, INTERNATIONAL CONGRESS FOR CON28 H. P. Six·cylinder Engino, Ro·dosigncd, 666, 694, 722 CRETE AND REINFORCED CONCRETE Brooko, .J. W., and ('o., Ltd., 452, 4 53 F ou1 -wheel.dri,·on T ractor, Lntil Indu11trinl AT L.I EGE : 24-45 B.Il.P. ~'our-cylinder Petrol·pnraUiu Vehicles, L td., 339 A Study of P lain and Rein(orcod Concrete Engine, Parsons Oil Engino Company, Retaining · w alls, Ewnrt S. Andrews, 397 FRENCH ENGINEERING NOTES : Ltd. , 609 Architecture of Concrete, Professor Beresford 2! B .H .P. Outboard Motor, ~tubbs, Jolloph, 25, 63, 79, 107, 135, 16 1, 187,215, 2ll, 267, Pi to, 397 Ltd., 508 297,327, 356, 385,4 16,441,471,497,527, Colonial Uses of Concreto, 397 555, 583, Bl l, 637, ~65, 09:3, 721 Composition, Mixing, Methods of Application IRON AND STEEL : Aeroplane Accidents, 267 of Concrete nod R ei nforced Concreto as Iron and Steel Industry fol' British Colwnbia, African Railway Col\tltructioo, 637 Used in tho Yards and t he Control of Same, 210 Airship Disaster, 441 Major T. R. Gregson, 397 Iron nod ~tool IildUBtry on the Continent, Alsace Canal, The, 135 l':floct. o£ Temperature on Flat Arches Con· Report Prepared by Kationo.l Federation Claude Power Schomo, 25, 187, 415 structed of Reinforced Concreto, C. S. of Iron and Steelllanufacturers, 17 Coni, 6:37 Gray, 397 National Federation of lron and Steel Ma nu Colonial Anthracite, 693 Bxl?erimonts on Anchoring Hooks at the fncturt>rs, Report on Iron and • teel Colonial Exhibition, 267 :bncls of Reinforced Bars for Concrete, Dr. Ind ustry on tbo Continent, 17 Concorde Bridge, Tho, 161 Wyss, 397 I ron and Stool, Itnil Rates on, by E. T. Coou, Continental Combine, 4.71 Noteil on tho T ests 'Mndo on tho Reiniorced 7 Costs, 216 Concrete Bridge in Rue In F nzette in Par is, Cruiser, " Duplei x," 4.41 Monsieur Lanos, 397 Electrical Distribution, 327 Piles, J. :McCarthy, 397 Energy from tho Rhine, 583 .Reinforced Concrete in Groat Britain, Kirk· Engineers' Status, 297 wood Dodds, 397 L Falling Prices, 135 Results of Measurements of Deformation and Flood Protection, 161, 037 Tensions of l\'lUBhroom Floor Slabs, Pro· LABORATORIES, New EngirtOoring, at. Uni. Flood Reservoi rs , 611 fossor Ros anrl Dr. Eichingor, 397 versity College, Nottingham, 70. 7 1 Foreign C'apital, 24 1 Some Notes on the C'omposition, :llixing and Lanz ' 1 Bulldog" Tractor, Hcinrich Lt\n~ Foreign Trade, 107 Application of Concreto in J::ngineering Alttiengesellschaft, 338, 34 2 Fr6mont, Chsrles, Tho Late, 241 Works, C. S. J&kamnn, 397 Lnunchos and Trial Trips, 23, 54, 108, 185, 26:i, Oerme.n Coal, 385 , 'tresses in Dams, S. D. Ctnotbers, 397 325, 410,436,469,495, 625,58 1, 635,663,7 19 Harbour \Vorks, 441 Structural Tests on Modols by B egg's I nland Waterways, 527 Method, J. Blazek, 397 LEADING ARTICLES : International Unions, 527 Temperature and Cement, Dr. O~car Fnber, Akroyd-Diesel Engines, 681 Iron e.nd Steel Production, 187, 556 397 An Avoidable Railway Accident, 13 I rrigation and Power, 107 T est 1\IeasuremontR on the Arlington MemoAutomatic Train Control, 626 Labour A~titation, 187 rial Bridge at W o.shi ngton, D.C., Mr. British Economic Mission to the Far Eu:~t, :l:!U Labour 1'1ouhles, 267 ~'ishburn, 397 British Engineering Industries, 625 Lille e.n Inland l~ort,, 721 Work of the Building Research ::ito.tion on City Noises, 653 Local Railways, 583 Small Movements in Concreto, O r . W. H. Commercial P ossibilities of tho Airship, 17G Lyons .A.ir Port,, 693 Granville, 397 Contlitions of Contract, 13 Miners' Strilco, 355 Visits e.nd Entertainments, 397 Continental Msrltots, 514 Motor Barges, 665 I~TERNATIONAL Congresq of :.\fines, Molal. "Creep " Desrgning, 6 13 l\lotor Car Industry, 555 Dnlmuir, 281 lurgy and App,lied Ooofo¥y nt Lj~ge, 10 l\lotor Cars, 25, 187 Destruction of the" R 101," 401 International 'Farmall' Tractor, I nterMotor Coaches, 6 ll national Harvester ('OIII1Hmy, or Great Diosol, 21i6 Savy, Tho, 47 1, 666 l~lcctricity TMiiT!l, 123 Britain, Ltd., 337 New J.inor, 297 EnginoerinFC in Germany, 5i I New Paris T orminuH, 79 INTERNATIONAL MOTOR EXHIBITION AT F.B.l. and Tariff Re Corm, 4 30 Nord Terminus, 136 Fixation of Carbon Dioxirle, 95 OLYMPIA : Northern Cans!, 297 Flowers in tho Boiler Shop, 41 4.28, 431, 452, 479, 508 Omnibuses o.nd Trumwt\yH, 41)7 Foreign '!'onguos, 95 D ouble Six 40-50 H.P. Chu~is,DuimJer ComParls Sow&Jle, 215 Foreign 'fl·ado nod Costs, 203 pany, 479 Plougastol Bridge, 41 5 • •• • Vlll LEADIKG ARTICLES (nmtimw/): J.'utu r<> of Hr1ti"h Rnihll\.}tl, 1:10 · (;rod.. ,'' iO!l (:ro\\tll of ( '11 ol \\ n•twu, lll!'i lli~o~h · Jlf('~ -1111'\• llvolt•r Tulw>~, li!IU lli~h - prt·~uro Ht('tlln nt Un\dfonl, 2:;:; 11 iJ:hl.'r 'l'cdmit·ol J.: dncutaon an Euaopt·. t :!:J Jl ~·tl raulw 1-:nJ: ollf'l'lnog l'1 og r·cq-. 111 Europt•, 31 :l J IIIJX'riol L'onfl•n •nt•t•, a; I Ju.otplrot.IOil or Trnllil ion , 11 I .t'itturo, :H 3 l.ocoauotivoNu " 10,0011," 1 1!1 \ lnduocrl of I ho 1~1\rt.h , GI :1 )[Ot\llllroilll'llt. of N 0181', :17 I \ lotor Cnr 'l'ondo•lll'io•>~ ,\hrooul, J :!!l Obttolollt:OIIt't', 7tl0 or Mu110um .. , 6S1 Powoa· from \\1nrm \\'1\lt•r, ·l:'i7 Hailwny AcddNII M, 4811 Hnilwny Jo;toctrili(•nt.inn in h o•ly, !i7 1 Ht\ilwny P osition. 17Ci Hnilwt\ynwn'M Poy, 000 R oporL 011 L ondon 'Vt~t ortl, :W I Hi1 ol Hyt!tOIIIH of Puh orisNl ( \llll UurninJ::, ·• ·•9 HtllnplmA u£ L'o11l, a43 H111oll \\'ork.t 1111d LnrA<', 3 1J 'l'l'chuolog1cal l'twmploymout, 6 lJ Tho L111Ut. to Stl.'um 'fomp<>rt•turo, :! 3 Trudo ProblomH Ahrooo, 6i ' l'wo-fiuid Cyd1•s for PO\\Pr Pln11t~. IG!I W nges and Prict•!!, 1 I!l \\' ngcs nnd S holtl•rl.'d lnllu'!IJ'il•~. •IH:! W1~l<' iu Jndw!tr,,•, OG3 \\'orhl'oJ 1-~ll.'<'lrwot y ~uppl~, tli -- LETTERS FROM OUR OWN CORRESPONDENTS : En~lond. INDE X. • LET1'ERS TO THE EDITOR (rtmtllllltd): LITERATURE (t'tmt i nut•/) : LITERATURE (nmti11tu:d) : 'l'iclo Pn\\o:r St·hl.'llll'<'. (.:('Cl. T . l'lu iiiH 1 • 111:1 Unomployml.'nt, H. J>ouj!lu" ,\rdnht\1.1 , Ill \\'ood l'H Briul' l'ap<'~, ~t•lt. l'uuut, 1.1 11, Ill l. IJo:J.'HJNCK , V \ ., \\'u11.•r S uppl) l'ruhlp an, an J l olln111l. 631 Li nko T rtwk·l&) Ill)! Tn•cl or. Loukt• Jl oiTm~n · Bus<'lm <>rk<>··\klo<'llgf'~<elt.w hnft, :138, 3 12 Books Received (rtmliull(:d): Books R eceived (rn11tin11r<l) : J :,,)QrJII\('IIIal Mt•clu\IIICq ~l .. to•nul~. I r. ('t\rriUgtun, 487 lo; 'I; J>t•r imoutal Ht• ..onrch••, 011 'fnJIIIII" l'uuo p• • Ht•port. N n. I ur t ho ) cokolttllllll 'l'oI h · m1l0~1cUI t'o!legt', )(t\.>;~;\JIOU \'C'lltlu. !17 Ftwl~ 1111d Faj!nr•'i of thu ,\lltumooho lt• l1111u,..t r.'' • 1930, 16 F oolun'" of Huil" t•y M11f t• •a nl!<, l>enln al! ('hil'fly 1-itlt F orrous ~lolol~, 1-:. A. \\' migh t 1111d !'. J Lindo, 69 F iv(1 Yt•III'>J or HcSt•lUt'h in l udllloetry, I 921'o- l 930 : •\ Heading J.i.-t. uf Hd<1cl o•tl 1\rticlett from t ho 'J'I.'<'hni<·lll l'r"""• l'lllll· piled hl <•.•1. WP~t. ·J 87 l•'luod Flow!!: .\ Study o( 1•'rNI'Ii'ou 11'11 1111ol Mni.(Hitudel!, .\ . Ilt\l';ou , 1)7 l•'urest Products Rosl.'arc h Bulloti11, Xn. (i : . T ho 'fimbor of Corsicnn Pino. 20G F orm of Coupliug for Goared Die><l'l Jo;HKi•u·~ for 1.1\nd and Mnrino Purposl.'~, \V. l3 rosu, 20G Fur~<>hun$.( \11\CI 'l'ochnik: ion i\u(tmgt• d1 •r ,\ IIF(l'lllt'ia l~l <'k t rit·i tuts . I : O~<~>l t.~<·ln•ft , l'rofcK~ur D r.· I n,~ \V. P ott•ftlrn. till Furty YN~r,.. ur l!:loctrictll P ro~rl'><~ · ' l' lu• Hlor) ur lh t• <:.E.C., A. G. Whyl"'• H."e .. l :?G Fn rtl11•r J~'l'l' riiiiCIIt:' on t.ho Dischnrgl• 11f l\1odt•li! of Sluict>~, H . E. Hur:<t, 627 <:nrcko's Mnnunl or Elel.'tricol U nd<·a·tuki n ~:'! llnd Direct ory of O fficinls, 1!l3 1, l.'tlit •••l by F.<:. t:arrott, 68a t:t~Sfernvt>rt~orgune:, A. ]\:,•JOj)\•r . 97 ( :n.... Lift. ~l cot hod of Flowi nli( Oil \\'oil'! (Co hfor nin ]>ro<'tico), .H. C. lll ill<>r, 5 1G Uutes of Light, lloatrico Irwin, GO 1 (:<•odcsy, includ ing Al!tronom ical Obsorvt\· tion~:~, G rtwi t y ~fe t\Surements, and Mctho1l or Lcost. 'qutlr('S, G. J,. liosmor, 07 (: mohn.'! Huudbuch d er nnorgnnit!ch•'" ( 'hemio, 8 AuOo;o, Sy11l em-Nu ma n"r 511, l~ison 16 (: ,., Uld !ugcu, J\1 i ttol u nd .Uoi11piolc z 11 l•t·l< · Jomssii(OI' " ' orkstuttml'Sl:IVCrfnhren, OhN·· ] ng. 'l'h. Dam m. 710 t:uido t.o Sixth " A~Jbemu " hxhibition nl Frank fort, with Addreas~>s of .Ml\nufnctuJ'I'rl:l I)( C'homic11l Plant and Mnchinory , 22ll (has ..oit~on Ei g<1nschl~fton uud P r01vel'fnh ron , LITERATURE : R eviews : An l~tlrll Jh pt•l'inwul i u llldll><l oml Uq(tlllit>ll· tion: Bt'i ng o\ IJ i,.lory of ""' l •'i rm nf Uuullona\1111 \\',.11 , 1776 lllllu, t•:w·h Holl, 710 lll t\Sl·flu·ou~«.·l) l'r·awl ico, l •'•cd Clt•n•Pnl K, DO .J:hat<iOell.>< (.'hnat:t, '1'. G. R ul!O, O!'i I <..'oko rC l' .BLIISt·fU r iiiiCCl!, H . •\ . 1\1 ot.t 11 ntl R. V. Whcolor. 68:3 t'ondon11od Outl int• of ~ l odt• rn PhyMicnl (;hcmisLry, 11'. H . (;onllh\blo, :!G7 • l•:iniOhrunp. in die J•; •·dbild mc"~lllllt (Torre· l!l r icho ]>h otogrt\mmet rie ). Hnns Lu!ichnt:w, 626 Electri cnl )}il!t r ibution l~ ngi nccril tl(, J IU\1 """ P. ~cobyo, 3 16 Elect ri t•l\1 P owt>r ' l'tliiU!nlibSion nml l lllN'· <'OtlJICct ioo, ( ', I>nnnl\ll nml .I . \\'. D11l· glei«h, 710 E lectricity on Gasworkw. l l. ( '. W1dlukl•, 664 l~ngi ueeriJJJZ E conomics, '1'. 11 . .Uurnhnm, -I S7 J~lood Flo\1 11: A Studv of F N•quon<'it•,. nutl Mt~gnit utles, A lion Hoz.)n, 4!1U <:eode>~y, Goorge L . H osmor , 487 ~Jcasurt'ment. of .Hydrogon I on Corwcu tm· t ion, J uliua Grant., 20 I llletalliferoua i\lino Sun oy mg, 'l'homt~ t:. Hanlon, 07 l\lino Atmospheres, Dr. \\' ilhom Psymon nnd Professor !. C. l '. Stnthom, 6£H Modom Bridgo ('oMl roct.ion , ]•'. Johnst ono 'faylor. 97 i>earsoo. \\'ectmo11 , Fir11t. Vii!t'to\1111. (;owdn\y, J. A. ::ipondM, 68 Principlo~ of , truct.w·ul Mechuui(•s : Tl'<'utod Without tho Ut!o or Highor Mnth<'IIHit.iC's, Percy J . W nldrtllll, 627 !':clonium (;ell, G. P . Baml\rc.J, •HiS Silk and the Silk Jndu11try, .Joscph tic hobco·, 'l'rilOBlated by R. Cuthill, 5 1 •~ Spirit of Chcoul!try, Alexander :Fimllo.y . •187 Stoddurt, W .: A Biogrnphict•l Hke tch, J.. Hanhidllo, 6 15 Theory or H eot. .BIII(ii\NI, includillg the At•I illll o£ Muscles, J . S. H11ldane, Gl •l 'Vster Su pply and Ut.ilisati ou , Vonuld ;\I. Bni<OI' ~~nd Horold Conkl iug , 026 Noalh ur. 22, GO, 70, lO t , 132, 158, 1St, :!1 2, 23S, :!04, 294, a24, 3.;2, 3S2, 412, <I 3 , HI , HH, 52 1, GG:!, 680, 608, 034, 662, tl90, 718 J.uueu-.hir,,, :! 1, Ill, 7ri. IO:J. Ja l . 167, 183, :HI, 237,263, :!93, 3:!3, :l5 1, 3Sl , 411, 4a7, 46i, 403, 523, 66 1, 679, 607, 633, 061, 089, 7 17 J\licUtmdt~ out.l l:ilaiTord>!hirl.', 21, 19, iG, 103, t :H, 11)7, 18:l, 21 1, 237, 263, 203, 323, 35 1, :181, Ill , 1:}7. 4Ui. 49:1, li:!:l, 551, 5 79, 607, u:J:l, 1101, 6S!I. 717 H•·ullnncl. :!3, 1) 1, 7i, lOG, 13:), 158, 186, :! 13, :!:J!), :!llli, :!llt;, :1:!5, a53, :JS3, 11 :), 4:)9, 169, 10(), t;:!li. 552. 5S I, 1109, 634, 06:!, U91, 7 18 Hltelli!•ld. :!:!, /ill, ill, 10 1, 13:!, ISS, 18 1, :!12, :!38. :!6 1. :!94, :J:! I , :)5:!, 38:!, oll2, 4.38, ·lfJ, 19 1. G:! l . li5 1, r.sn. t\118. 6:N, 661, 690, 718 \\'nlog uod Arljuullnl( ('ounta,.... :!3, 5 1, 77, 11)5, 1:n I 59, I tlii, :! I :1, 239, 265, 296, 325, Short Notices : :Jr,:l, 38:1, 11:), 13!!, 469, 496, ii:!5, 553, 581, A usgowi!.hlto •cbwl•isskon11t nactioncu, \' ol. I., UO!l, 63'>. Ull:l, Ufl I . i 19 tahlbuu, Dip..J njl. Olt o Hondy, 5 16 Autobiographical nnd Other Wri ting..., Alon LETTERS TO THE EDITOR : A. Camp boil •· ,,in t on, 07 .\or..lupg nnc.J Tropical CltnHill.'t!, H . ~. Buildert~' l\Iatcrials , R . F. t:rundy, 02i BootduJr , 637 Catalogue of British 'cicntific ond 'l'C'c hnicul Brat 1sh Euginee nng lnduslrJI.'S, ('. )I. B ooks (British l:icionco Guild), Daphno Doul(las, 64 7 S haw, 627 <'luoa 'frndo, Chinn H nml, 506 Criticol Rovie\\ of Li teraturo oo ,\mplifiC'rtl ('uhol!aoo, 'fhow. ll. Web11t<>r, :!6ll for Radi o Recep tion, 60 ( 'otnmerd&\ l'Og~abi l itiOIJ of tho ,\ir<~hip, l>csign of );;ll'C'Lricul A J>J.Il\rul ll 'i, John Jl . X. Y. 7.., 200 Kuhlmaun, 69 Concreto Rooos uml their J oinll!, H . <.;. John· m ect.ric 'l'eslaug Simplified , Jl. Jl . l.'. Cros..~, son, 349 tS7 ('oHt. of Ht>lium, R . V. Southwoll, 3·JO Engincoriug IW!urnnco, H . R . ' l<otch, 6:!7 "(;reop " Designang, A. C. Vivian, G37 Heoley'a 'fwontioth Contury J<'ormulo\101, Curse of <.'ompotit.ivo Soiling, A. F . Swl\ino, R ecipes &nd Proco!llle8, 0. D . li.ia<'ox, 97 G9 1 HiRtory of the Canter bury and Wh it.st,oblo ])ulmuir, Vistu, 307 Railway, Rev . .Ro~iuald B . ..(<'oll o w:,~, 97 l)io!:IOI, ,John D. 'froup, :!7:i Mochunical Engineer 8 Handbook, P1'0pnrod Vivid i11g tho C1rclu, lxion, tl<J 7, 703 : .f. by a Stall of Speoialista, Liont•l S. l\l'nrl<s, Horton , 074 ; Dulgian, 67 4, 703 ; .'\. L . 6 16 Hynea11, OH ; K A. G. S., 67 1 Piping Hanc.Jbook, J. H . W11ll<or nnd ::inbin )•:loctricity 'l'llrifTt~, C. D. N., l OS Crocker, 487 Jo:ugiu coring Aitl to 1nd\lt!try, Lconnrd Principles o£ Elect r ic Powl'r TrnnsUli~~:~i o11 by Anc.JrowM, 56•1 Altcrnlltiu$ Currants, H . Wllddicor, :!Il l l•'orl•il(ll 'J'ougul's, M. C. Uutl('r. 606 ; M. Rural Elcct.r16cntion Sofoty Devices in (;o n. G oS<~iel\u:. , 478; E. S. H odgson, 180, 395, n e ction with Low-toosion Distribution, 606; 'l'nft'rril', 1•13; B. L. Voskuil , 478 ; Alfred Ekstroom ond Vidar F.k~lroom , I.. A. \\' aro, 3 l S 027 WlV!S .Mukin~t, W. E . S. Turner, 619 .'tat.e o£ Voluano of Oxygen at. L ow 'fcmHigb·prosauro Locomoti1 C'fl, Dr. ·Ing. Opitz, poraturos, Dr.·lng. Frit~; chmidl, 627 462: W . A. Tuplin, 47S Study of tho I nduction ~fotor, F . T . Chnp· Inferi ority Complex, Carhonizor, 647 ; Arthur man, 5 15 Duckbam, fl47 : W. W . S., 674 'l'esting Rndio Sots, J . H . Hoyuo r, 627 Land Marling MBChincs, Goorgo MucGrogor , Tbo Bnrris tor, Sir lit\rold l\Iorri '!, K .C., O!l 7 Theory of Elcctricl\l Art.ifi C'iul L ino!! nnd l.ciaun, , Artbur \\'allium~ton, 34S Filtert~, A. C. Dnrtlcott, 97 Link.~ in tho His tory of tho Locomoth c, Books Received : C. R K, G~ L1vcrpool nud Mtloche!ltl.'r Htlilwt\), 11. A<'ousti<·s of Bwlding~, F. H. \\'utt~on, :!84 Holcroft, 673 .\dministrati on H<'port. of th o Commat<~ion<>rll LocolllOt.ho No. " 123," 1'. A. H y de , 260 for lho P ort o( Ht.mgoon , Apra l, 1029, to ) {arch, 1930, GI 6 Locomotive No. " 10,000," C. 1<'. D endy 1\lnrghall, ISO .\ dvcrtisor11' AB<.;, 1030, 16 Afrikoanl! Self.tuught, L . \\'. \'tin Os, Edited J.o~s of t bo "Co\ptain ," Octogeuurilm, 260 " llfiss Englomd '~" nnd Other High -~p<>ed by H . J. L . Van Os. 6S3 Propollors, 1<'. Bumford, 42 .\ g ra('u lturol H el!onrt'h in 1929 : 'l'ho Hoyol !ll otor <.'yclo lO.:n~-ti ncorinA , W. K Alcock, G3U Ag ri<·ulturul Society of .Bn((hmd, 6:!7 .1.\lotor l:ilaip " Thurold," Chicogo J•:nginoer, Air Atwutll of the Bt·itish Hmpiro, 1930, Edited by ::!quaclron Londor C. 0. Bw·go, 200 Power f a·on1 \V ur111 W !\tor, t:eorgos Claude, 161 Al~obmic Cltl\rls, D esigned by Edgur Dol111, 60 1 604 l 'rcnt icl.'ll uml (;o ll<1go \\' orkshop!l, n. '"· \\'1llia1n,.., 7 A Itcrnnting·currcut F.l<•ctl'it· nl Engineer ing • Hmh,lly P•·ogres'!, ,J. c:. t:. Muh•11, 478 W. 'l'olm6 Mooeoll, 6 16 Hon•nt. llullor Stop ,\ <·cidt•llt 11 ut. Euf!tou , . \mcricnn P et rolcum R ell ning, lf. S. lloll, 60 .\mericun Ruilwuy S igonlling Principles l\nd H . .\:.ou, 617 Hul:k Drilling 111 Coloonbo lllll'hour, (: . W . J>mctice11 : Chupter 8, F.lcctro-puoumutic !ntorlock.ing ; <.'hupter 9, R ectiliori!, 627 Doddt!, 180 ltural EIC'ctritlcllllon, J umea Sh~Uai<M, :Hio •\n l!:urly E xperiment inlndustrial Orf>aniam· ::!11~ und :itroN~Cs in Q,•erhotld Wires, A. L. I ion : Being 11 History of tho F1rm of Boullon uud Wutt, 1775- 1805, Erich Roll, Ualbmith, 663 627 Su~t~t ond 'l'l' JUIIUQ!j in 01 orhl.'ucl \\'ire:~, C. G. •\ncion t System of J rtJ~ntaou m Bougal, Sir Wat11on, 702 Wm. W illcocks, KC. M.G. , 627 Snlvago of Waste, Bomn, 61 .\nnali dei Lnvori Pubbhci (llill. Giornalo dd t;umpling of Cool, Georgo H . Walloek, 3i7 Gonio Civilo), ~linistc.>ro dei Lavori Pub· Hhishkolt Jlydro-themu:~l Storage Schomc, 0. E . llader, 673 blici, Consigho Suporiore, Anno LXVTII., l<'asc. No. 5, Maggio, 1930 15 1; Fm:~<·. S1do Wmd ond R osi11lonce of Trnins, F . E. No. 6, Oiugno, 193ll, 20G; }rl\8c. No. , J.inwny, 610 Al(o:Jto, 1930, 51 6 ; F osc. !1, SI.' Hem bJ'<', S1du \\ ind und tho H <•s istouco of Twno,.., (', Jo'. VNtd y Mol'l!holl, 047 1930, 627 ,\nnules dos l>onta et. Chl\111•~61.',;, I U30, I::! ado \\' md und I lot• Jtl'>lltlli\IICll Of 'l'ru111,.., F asc. a, Mni.Juin, 487, l<~as1·. 4 , J1ull ol · F. };. L111dssy, 619; ('. Jo'. D endy .Murshull, Acut, 604 6t7 Annates des Travoux Publics d o .Uolgiquo, Hlecl.fn\med .UuildJnl(l!, ,J. A . t:. Smith, 42 1930, Fasc. 3, ,Juin, 284 Sydnoy H arbour Bridge, A. J. D ormao, 200 ; Applied Mat.hemi\Lics for l~uginol.'rtl: Volume .Hugh Hell, 200 1, Oraphicnl Statics ; Volwno 2, D ynn1nics, Tcchnologicul Unomploymont., Hllgh P. with an Introduction to tbo Difforontinl Vowloa, 664 and Integral Calculus, T. Hodgson, 487 'foOBilo Strongt.h in B olts,}{. P. Spratt, 260 • ,\u ~ge11illalt <• Hclll\l'lo.~kon~trukl illlll'll, \ ul. I, Xtahlbou, DipJ..Ing. 0 . Uondy, 07 •\ utubicgrophit•lll ouuJ Ollat'r 'Vrlllll j.(><. \ , \ . (;nmplx•ll S\\ intou. lli .\ut omuhih• mul •\ir<·mrt 1-:uganl',., \ . \\ . lud ~<'. i IU ,\ut umuhalt• Hll•l'l-', Ui r. Dr.· lng. ,\ . )lltllt•r ll nuiT nnc.J Dr.. J nJ:. 1-i:tlrl Sh•in , ' l'mu>!lnl•••l hv H . Goldtwhmi<lt. 31 ii .U·( T .;\1. Hh\odnrd>!, 19311, l'nrt J. , ~l o • l nl>~: Pari li., Non·motollic Mntcoriol>l, 7 1H .U~ .'J'. )f. T entative S tumlMds. 19aO, 00 I Holti11g nml it s AJ'plit·11tio11, .1. Dlni ~I HI, jo111 .. 125 .B1•rich l t• tic>' .\u~;~t· hu><~t"! fUr Yt•l'>llll'lu• ion :)tuhllm u , P tu·t 1 V., Vor~<ll<'ho ~U l' .Br lllill · lunj.( d<'l' l~uiclt~<punuungl.'n fUr vo ro~i t'hio " d ontl lll~lllllil.W{,, , V. H tJi n , 083 B oric hi o Uht'r botritlb!lwit~~enst'lmrt li t· ll(l Arboi ten, V cl. 5, Ahn\lt~unJ: \'CII M<'lt\lh•n \Ill tot· bo:tondl.'r{'r BorUd1sidtt igung d t>r llfcssOU.chcn von l..ohren , l)r.. I n g. 0 . Nioberdiug, 083 Uert.riig<' ~~~~· c .. ~c·hic ht ~> d .. r T t•d mik n tHI Jndus tril', I!latt, Jo:dit t'tl hy (\onmd Mill · t~<·hoss, 6U l Ht>I\\ Cl'n T" o Ol'l'llll>~ : H"piol t'lailli n~o: nntl Froc~iug Sysll'm-,s for J;'i~<h nnrl ll lf'ot, l\1. '1'. Zurotsche11U'IT, HI Builer H ow•o Muuu ol, H . Jo'ro .. h~. ;j I /j Bol<'t im d11 A~t ri culluru, (;outt•aeau<' lnti U>ill lt> ( Publi\·uo Ollicil\1 do B!ltMio d" .Uulu u), Nos. 1 113, Junoiro a lllurco do 192ll, 177 British Hailway11 and Unemploymeut, K H. B. Roberts, 126 Bui lder<~' Materiuls. R. F . 13. t:rundy. GIG Hullotin o( the Brit iHIJ (;a...,I. rrun Hl.'o;curc h Assocint.ioo . Jul y, 193(), 226 Bus iness C horts, T. t:. R os<>, ,; l!i <.'t~lvert.'s Mecha n i{·l!' A lmnmwk, 111:11, l'l lot NI by J. Brookli, OS:J <.'nnal Irrigat.ion in tlu• l'unjnh, P noo l \\'. Pauatian, 16 Carnegio l:ich olt\ndai p l\l"•1nui r11, \ ' ol. X I X ., fi l G <:t\taloguo of Brit.i«h St·iontilic 1\nd ' l'l•l'l mi col .Uool<s, D nph11 o, how, G15 (;cyton Govorumont Ra\ilwoy: Ad auiniHtrt•· 1 ioo R eport of the Generul Mnnnge1· fur I !)29. Pnrt rr., R OI'OIIUO ( D.). fi l G <'h ari11g Cross Brid~t<'. A. Ku.,u, Gl 6 Chel:~et~ School of l\lelallurjly : l'ro>~pl't'tt! for the Session I 930 31, l!S l City of Liverpool : Roport. of the 'V11tcr Engineer for th o 'l'welvo l\lout.h11 t•ndl.'d l\[arcb a 1st, 1930, with w hich is incor· poro.ted a Brief Dc<~cription o£ tho Wnlt•r Undertnkiug, 6 15 City o£ $hl"llielcl, Cit y Engineer tllltl Sur· vcyor's Department, Hcport. of th e Haf<,h · wav and Seworuge Com mittee fort he Ycor i'ndcd Mnr<'h 3l.d, I 030. 4 q; ( 'oko for Blast.furno<'<>,., H . A. :.\loll l\llll H. Y. W beelo!', 604 Colliery Monogcr 's J>ockct· book. .\lutoauw and Diory, 19:Jl, cdit.-d by Jl. t:rcenwoll, 7 10 ('omno odity :1\ll\rkct'i, t•ompilt~d 1\lld ibSIICd b y tbe SwiSli Bank Corporat.ioo, 226 C'cmprohoosive 'frcat.iso on !norgl\nit· nnd 'l'heoretical Cbomistry, Volumo X.: l:i.So, ,f. W . Melior , 69 Compressed .tir Plunt. : Tho Product ion, Transmission and U so of Comprossod Air, R. P celo, 627 Concreto Products nnd t'o~ l Hl on eo, lJ . L. Child t', 627 C'unclon.sed Outline of l\rod<•ru Ph yt~icnl Chomistry, 1''. H . (;on.stnhlo, 16 Copyl'ight. in lndut~triol D l•Hign.., A. U. l~ussoii -Cint·ko, 45S Cours d ' Optiq uc, 0 . Bruhot. 6:!7 (;rartsrnon's Measure~ in Prchi ;:~torio Time'~. L . MucLoU1m l\lnnn, 710 Dl\8 Trocknon der lioble, l\l. \\'eiss, 15S D efiniti ons ond ~'ormulro for Students : };;tec trical lnatollnt.ion W ork , J.o'. 1'. So:.t on, 97 D or Einkauf in dcr l\Ictolli ndu~:~tril•, J)r.. J ng. B orlh old Buxbaum, GS:J Der Graphit, 0. KnWJch, :J 11 D ovelopm<>nt of the Federal Progrommo of Flood Cont rol on tho :1\lisaissipp• Ha wr, A.DoWitt,l6 Dio EleklrizitiHsg~sel zpebung dor Kult ut · lundor der F.rde. Vol. I., Uou tHchl ond : Ycl. ll., " 'egt cu ropa; Vol. UI., Nonl ·und O:sleuropa, I GI Dio uatllrlichen tmd kons tlichen A'lphult<•, Profe1111or Dr. J. l\larcusson , lV!Sist.cd by Professor H . Burchartr; uod J."rorc ~Mor P. Wilke, 604 J)i o Zustnudgr ossen dos tHn·gt oiJg b ei t it•f <'ll T cm pcraturon mit. Dillgramcu, l.)a·. . J np.. Fritz Sehroidt , 604 Di NIOI .En~ine Opomtion, l\ lninton•1nco und Hopoir, {), H . Buchawll, atG l •:osy Los!lons in 'J'olovit~ion, H.. '\V. llutdtin· son, 616 l~<·onomi c Y ugol'IOI iu, r tlil\•tl by t he Onico for F oroign Trod<>, ut. tlao Mi11is t ry or (;oao mcrco nnd l nduKtry. Bclgrndc, ~2U .Bicell·ical P ower 1'1'llll'llllits'•ion nnd l ntor· c·onncction, C. Dl\ n11nt t, n11tl J . '"· J)aJ . gloish. 46S ]~lectricity on <..:us \\ urks, 11. '. W ic.Jiakc, 604 l~ll.'ctrolyt.ic Conduet10n , 1•'. Jl. ~o,~ mon , 60 I Elomont.s of .Ft•rrouH Mot.11lurgy, J. L . l~o11onholz, 281 Engincol'int:t. A . l'un e>1 ( :e>~t , cdit01.l by G. D opuo H ac.Jzei t11 l\nd D . .Mooro Hobinson, li S7 Engineering Econ oulict~, T. H . J3urnlu~m, l :J I Engineering Insurance, H . R. Sketch, 054 l;;np,inecr iug Scienco : A 'econd Y ea1'11 Course, W. W ard, 487 J~ngli11h Do. rat. in~ Appcols botlrd u11dor tho Rati.uF( a nd Valuation (A pport.i onmout ) Act, 1928, April 4th t o July lltla, 19au. edited by l\1. E. R o11c oud J. Stl\nton, 60 I l!:sso.yll o£ t\ J.oco1uoth·e Mun, K A. PhillipRon , 5 15 Evolution of !nduslraul 0l'gt\n illatiun, .U. F . Shields, 487 Examples in Engineer ing Design, 0 . W. Bird, 627 Expo1·imont.nl :Moch anicul Engin oori ng, Vo:. I., Engineering I AAt.rumonts, H. Diedoriohs and W. C. Andra.c, 3 16 ,.r If'" <1 87 Uyp11um J111lusl ry of <.'tmodn, L . .1:-lt•IJor ('oi l•, GI G }f ondb ouk of Enli(lil!h in Engiueo t•i ug UHt~l!<', A . <.;. liowoll, 4S7 H tlndbook on Nickel.(;oppor Alloy Con~l uouw o· T ube!!. 604 l lnody Hotol G uide, 1930-3 1, 69 }l ol\t. 'froatmoot in F orgi ng Stcol, 13. Sn\mdors, 6S3 Jlonll.'y 11 Twentio~h Century Book of '1'1•11 T bou.snnc.J R ecipt's, F ormulas ond l'ru cosse", G. D . lliscos, 69 Hl'rmann':t PockE't. Technical J>il'l iomu y. t:orm11n - Engli:~h -Italian. English - Ul.'r Hllln- Ilalian, und Itolian-Gerlllan-Bngla~<lt, 205 Engi n '>I lligh ·power H ctwy·duty Oil Dovelop meut. und Exporionccs, G. .\. Melior, 206 H .M. STATlO'Il:U\' OFFICI:: P UBWC,\TI0'": J\gricult.ural lmplemonts a nd Mnchiul•ry, A. J. Spencor and J . .B. Pass moro, a I G UritiRh RninfaU, 1929, U8:l C'oncrl.'t<' ,Joints in Conc re to : B ondi ng Nt•\\ ('onn<1t o t u O ld, N orm•m Uuv<~y, US:l ( 'ondit iunH ond Pros1-1ect,. of B ritil!h Tmd o in J ndin, 1!!29 30, T. M. Aincough, Gl li ( 'o·it if'ul R eview of Lilornturo on Amplili<1r11 for Hodio H crcp t ion, , 'pcci11l Hopur~ ~o. !l, 16, 3 15 Ol.'.purlmcont of l';rient ific tlnd tndustrit~l Rcsoarch , F ut'l Resl.'orC'h. 'l'cC'h ni<'nl P aper No. 26 : '.rho InOuonco of Hizo or Coal during Gas 1\lanufncturc, 2:!6 EconomiC' Conditions in Com•dt• to l\hl). 1930, R<1port. by F . W . F i<>ld , 15 1 E <'onomi c Cond itions in lloly . .Ho port by 1~. C. l>onnldson and H . C. A. Cor. ponter, 15 1 Economic Contlitions in tho Ncthorlund,.., Hoport. by R . V. Lamin~. 1U E1·onomie ('ouditions in P ortu!(tll , Ht,port by A. H . W . King, 97 Economic Conditions in Roumuniu, Hopo11 by H. ,J. 1~. Humphreyt~, 22U E<'onon•i<' Conditions in Sweden, H1•port hy w . J. t:lennr. 16 E<·onomio Conditions in T1arkt'y, He port by Colonel H . W oods, 1ii Flome·proof F.lectrical Apporut.u'! for 'L'Ktt in Coni Min<'s, Summnriginp: l t<>pOJ'I. 1. F . C. Stnl hnm nnd H.. V. Whc<>lt•r. 117 l•'ood Inv<>sligation l3ol\rd for tllll YN•r 1929, 10 Jo'11ol R oscurch T oc:hn it'lll P t•por· Nu. 2Ci : 'l'ho .Ronotivit.y of Coi<Q: 3, 'l'ho J aillu~'" '''' of Iron (;ompcundtl, J. H . Jonotl, .). (: . King, ond 1~. S. SiJ\HIIlt. 16 Jl ome-grown Timbers: 'l 'lwir Auutoanit·nl Ht rut·turo and its H{llt\t.iual to l'lt •y,..i<·lll l'rope rt iel!- l~l m, 004 Iuc.Jox to tho L itoratu ru of Jt'ond Jnvest i· .((lltion . \ 'olumo 1 L., S<,plt•mbl'l', I ti:JO , li!'il '" ''0\11111'\'IIIOn t of 11 H npi tll .} Fhtt't.ullt "'!-: Flo\1 o£ Gl\"'• )."uol Hc:l('llat'la '1\·chni•·ol Pnpcr No. :!7, 515 .Minometer of lligb 'on><itilll~, E . 0\1 er , ··., X •) t .. ut aonnl Phyt~ical Labomtor.} : HI.'port on tho Engi neering D l.'pl\rtnwnt. for tilt~ Ycor 1029, !)7 OI'N'St roin of Metals und itt~ ,\p ph<'lllion I o t ho Auto-Frot.tl\g<' PrO<'('"" nf Cyhndl.'r nnd t<uu Conlll m t•tion, ,l,~jm· .\ . E. MtiCroo, 17i Ht•p oa·t of tho llualtl uog Ht''t'art·lt Bt>tlrd fuo· tl1o Yellf 19:!U, 60 4 H I.' port ou ( 'onstrucllow; u£ \\ drlt•tl ( '"" t ninors, 369 Htllling Shi ps : Thei r lla t~lo•·y nml V o1 dup· m ont. o.s lllul!trated by the Collection of S hip 1\lodels in tho Seionce l\ltat~oum, Port. I., R ist orical N oles. 6S:} Sign.ificl\nco of Sporos in t he Corn•lnLion ur Coal Heoml!, Pt\rt. I ., t he PMiq~t\lo Hcnou, South Yorkshiro Aroa, 34 i • INDEX.. • LITERATURE (rontinuC(/): LITERATURE (ro11timwl) : Books Received (rontinucd) : Book s Received (rontimurl) : H.llf. XT.\TIONimY o~'l'H' I•: I'UB I .Il' \'liO'>S l'h1iu nncl Or•n'"'"''"lnl Forging. Ern Hl ( r·•ml i 11 u.ed) : Sc-11\\ or~kupr. !i I ii l'ortmit nf 1'\'lc•c· l'c•lt nnd lh<l Hovl'l'l'ign of :-ilt'<'><.~l'-< in t\ H otliully :-:pok1•1l \\'ir1' \\'h1•c•l t lu• Xt•t\1<, Oll:l lfnul•r Londs Applic!l lo the l{im. l'ru· J'o..,hll Hrfm111, Eel" in \\'plls, 5 1;; f1•~o•· A ..J. :-;\tHou l'ipp6rtl t~nd " '· 1·:. " J'rncllcul J~ng111cor " Elrclri<·al J'u(·k!'l · FmiH·iR, 3i~ book nud IJtory , 1931, C<litcd h) ('numcl :-;t u~oli()~ in Heinforc<'u l'llut:rol<' : J, llo"'l . \l'Dold, 7 w H1•t<i.. t MWO ; ~. Shrinkllj.:tl i'\t r<'~'~~'"~ : :1. " l'rncticul En).tlltrrr" )f<orlttllli<·tll Pcwlwt'l'hl' ( 't'f'<'Jl or Flo" of ( 'lllll'f<'l!• l' ntl••r buok nncl ))11\r), 1!)31 , <•ditNl by K <:. l.u11d, ;;1;; 1Jeck. 7 I0 \\'n14lll).tO m Itnportctl Ft·~ul : J_t-. ~.ntu~·· l't·oclirol 'J'rcl\ltbO 1111 • ingl.• !loci .\llllli -Htogc• l·:,tl•n><ion ontl J'ri'\ C•ntHm. 1,. 11\j.! XJX'l'llll Cl.'nlnfu,:col J'urnp><. H.. ] )ddd, tron~<latru Foml lm Cl!tis.:nt ion Hc•pnrl ~o. :18 of lhn h\• C. W . Ollivt•s·. 4 7 l )l' PilrllOCIIt. of ::icionl ifi1· 111111 J ntlut~tril\l l'ri,;c-iplt•>~ of JO:Irctri c J>ower 'l'n~nt<mi:::l!ion by Hl'llNWt:h, ~:!6 .\l h•rnoting C'unontll, H . \\\\ddieor, 487 \\'i nd T\lluwl 'l'csl>! 011 t:!o>~ll'r 111111 Rttp(lr · Pri nci pieR of Engi nct'ri n~ Thormodynnm ics, IIHI.l'illl\ "'inp:}h~tlialor~. ))1•. lt . t:. Jl orri!'<, P. J. Kiof11r nnd i\f. C. Stuart, 710 ).. 1~. Cnygill, nnd R. A. FlliJ·thorrw, 3i2 l?rir1eiple~:~ of Struetuml Mechanics, 1'. J. 11 O\\ to F orm a C'omponv, H. \\'. ,J ordt\n, 6!) Wsldram, 344. J1 ydmulirs for l•:n~nl'<;"" nnu J~ngincrring " Proccownga" of lho Institution of Civil :-;tudc11t "• F . C. Lrn, G I:; F.ng:inCOft!, \' ol. 22 • ii I G J mpurit irs in Molllls : TIH•ir J nll\INH'<) un " P roccrdinJtS " of the HtniTorcl~hin• lnm tiiHl Xt nH'llll\' on cl l 'roprrt 11.'~, ('olin .1. l';tN'I In,.tll\ltc.', 1 9~0-30, 6 :1 :-itnit hl'll:<, ·I 7 l'u blic " ' orks 1>cpnrt ment, ~lnclro.~ I n<lPxin).t of Books tuul l'~.•rimltl·nl-., .J. \\' . '1'. sidency : Adntinist rnt ion Ht'port., I 02g :!!1, \\'ttl"h, ;; Hi P nrt, J l., I rrigtltiou, fi9 Jn,.litulo of ('hemit~Lry of (:r1·•1t. llntuiu tlnll Quonhtllt t'hrmi~:~try, ,\ . }hw:<, trun:<loh·d J reluml : ,/ o•unal nn•l " l'rOt'\'t'tllllgs,'' br L. \\'. ('odd, r.1.; 1930, PtlrllV., 37:! Ht\IJid i\1('thods for thc Anolyt~il:! of l:lJ•N·itll J 11!1Ulo.t.ion onu l!'i t.t.itl).tl'( \Jf H t•h·i gem tod Steel!<, St<'lll-tnn king Alloys , th<.'i t• Or•t•><, :-ipo.cc~ on Shipboard, H.. 1\1. Hm·lmnon, 683 C: n1phiti.'t1. nnd HoMing 1\loh\ls, C. Monis l"lluin~-t lloose Ycor Hook 1111(1 l•'inllncial JobnSOII, 372 A H <.', 1930, Compih'd hy th11 lnHlilt!te of R crhmrng.. wr~Wn im Ml\ilchinl.'nbnt•. Gcn(lrlll· ('ommerciol Roscar(·h. Ltd .. llll dit-cktor Horbert P oisrr, 545 In troduction to 'tntcluml Thcory and Regions! ancl Town Plnnning in Principle Dt'~ign, H. 'uthcrlnnd nml 11 . L . Ho" llll\ll, t\nd Praetict'. \\'. H . McLean, 226 G:!7 Report of thl' British Acetylono Al!Sociation )nHstigtllions in Ore 0f<'l>!>i ll~ nml ~l etnl to thr Tenth International Act't.ylcn{' lurAY (Testing ~:~nrl Hr-.<''\rt:h J,tlbomlorie~), Con!frCRI! hl'lfl nt ZUrich, July 9th to 12th, 10 28.~~~~ 1 Q30, on t hi> J>rogrel'S of Oxy-ncotylrne I nVt'~!l igst ion of Millcml Hcsourrrll and t ho \\'{'lding und Cutting in tho 'British ]o;rnpirc, 1\lini s t~ l nduslry, l'ublicntio11 _l 8Sltcd hy 60 I ho Mines Brunch of tho C'onudmn Dl'pnrt · Hopo•·t on th<~ Jnflucncl.' of tho Pannm11 mont of Mines, 205 Cannl on tlw Tr·r\<I O wi th \Ve13tom Conodo, Jo lmson'tJ l\Jatorials of <.;onst rurtion, l\1. 0 . JtUl(), l fl30, 177 Witltl'Y nnd Jam\}!! Ali i on, Edited l.!y Y . E. Hichtlinjou fur go~:~chweill8te Ga&olu:loitw,gcn 'l'urnoauro, 5 15 von ml:'hr nit~ 200 mm. Durcluncr<scr \tnd Jt~ttmul of tho Boston l'ocirty of ( 'i' il En~i· mohr 611! 1 l\tm B<ltt·iebRdntck, no nct'r-., Vol. XVII., 51G Hi \'('r l'ynr : Tll! 'J'rudc l\nd Facilitit•s, odited Journal of the l ron ami 'li.'1•ll11:1lilull•, I 030, hy lt. W . JoiHuiOll anti H .•\ughton, 125 Vol. CXXL. 5\.) Houlc:> 'urv<~y"'K• (:. \\'t.'lli ogton Pickt'lt:! ond J our11al of t ho Jnsl i l uto of )Jt•t ,,h,, \' ol. C. Lorilon W1lry, 604 X IJ 1[, Edit('d by(:. Slmw-Scolt, 284 Hubb<>r : ' '" Economio ontl Statistical Study. JQIIrllal Of tho }nslit.ution of _t:nginCO~ J os6 C11rlos do l\Jocedo owrcs. 97 ( ludia). Moy, 1930. 16 . . Hu bbcr Information, edited by H . B . Cron· Journal of tho. Worcest er Polylt'chtllc Inslt· shaw, I 25 llHt', W orcest er, Massocbusotts, July, 1930 coi ng uy Wirol css (1'olovision ), Hnlph ~26 Stran ge r. 372 . . E olly's Diroctory of tho Enp;int'o rinct. I [urd(•Ionium Coli : Ttl! Propcrt1os tmd Apphrswnr<~, Motnl o.nd Mot.os· Trl\dos, I !):JrJ, 5 1G tions, C. P. Bnrnnrd. whh o }'oroword by Kin11mnt.ics of Machiuos, CJ. L. <.:uillol, 07 John W. 'l'. Wt~lt~h, 226 J{ohlcnwal!Sergi\S, J. Gwosd:t, 458 Silk l\nd th11 Silk I ndustt·y, J. Schobor, Limo>~toncl!: Their Origins, Distribution and trsns iMod by It. Cuthill, 3 15 1 ll::~es, F . ,J. North, 187 • ind t~nd the Lloyd Barrngc, third edition (ns Li\ t' rpool and Manchester Shipping, Wh o's revi~<cd up to Juno 30th, 1930). 177 Who f 627 ir John Cass Tcchnicol lnl!ti t.uto : Syllol.!u~ J.ondon and Southampton Shipping, Who' s of Classes for tho l'ssion 1930-31, 2 4 Who! 627 kaodinaviska ]{red itaktiebolag()t : CotlwnLondon nivel'l:!ity Cuido and U nivcrsity burg, Stockl1olm, ~Jolmo Quarterly ll<>port, Correspondeneo Collogo Calondar, 193 1-32, No. 4, October, 1930, 515 627 'outh American H andbook, 1931, 654 Mnchino Dceign Problems, S. J. Berard and o.:pc<'ificntions in Detail, F. W . Mncey, F ourth J·:. 0. Wat.Qrs, 5 15 Edition rovil!od bv D. Brooko Wld J. W. )lt~gneto i\lnnuol, H. H... Longuhlll, 69 .. ummrrfiold. 683 • l\f:\nuflwLuring l ndustr10s of tho ll rtllsh Spirit of Chemistry. A. F indlay. 97 l•:mpire Ovorsoas, Part I., Canndt\, 683 . prings and Suspon11ion, T. H . Sondors, 604 l\lt~rino Aircro.ft: Elomeot,ary Nuv11l Arc·ht · S torrpun kt lend Viskositiit Bitununoser tccL. Cnptain P . H . Sumoer, 604 Stofle. }:1. Motzgor, 97 Mou..•mromont of H ydrogen Ion Conccnt.mtion, 'tcsm P ropulsion, a seril's or nrti clcs reprinted J ulius Crnnt, 16 I rom t ho J ottrnal of Commerce, 5 16 .1/echanical ll'orld Year Book, 1031.710 Study of the Induction Motor, F. T . Cho.pMorhtmics of Buildings, .\. D. Turner. I ~.3 man. 60 .i\Iochat1ism of Nat.ure, Profc88or .E. N. Da ~·. 'upport of Undlo'rground Workinp:s in the Andrade, 16 Coalficlds of th<~ • orth of England. 451! Motallurlly of \\1tite )rE'tal Sero.p and Hesi · urface \\'otor , upply of Canada: .t\ rctic dues, E . R. Thews, 487 and \\'ostern Hudson Bay Drninago (and )Jetropolitan \ Vater Board, Tw<~nt.y-fourth Mississippi Drainago in Canada.) in Alberta, Arulunl Report on. the . .Ri.'s~ltl! ~f ~ho Saskat<'howan, ~J anitoba. and ' Vcstorn Cbomienl and Bact(molog•r nl Exammat1on Ontario for tho Climntic Year 1927-28, 604 of tl•o London Wat.ors for tho Twelvo Surveyin.g for Schools, S. right P orrott, 604 ~'lout hs l~ndod D ecember 31!!t, I 029, Rir Tocbn.icnl Dato on Fuel, edit od by E. 111 Aloxl\ndor Houston, 20:) Spiors, 07 ?llotropolihm \Vater lloord : Twonly Tecs-sitlo 'hnmbt'r of Commot·co l\loothly ROven th Ammal R eport. fo•· t h o Y Nlr Ended Journal. 177 )[un·h 31st, 1930, 604 T olevision for All, Charles G. Philp. 226 )uno Almosphert., W. Puyrnnn and I. C. F. T esting Had•o, ?Ill, J. li. Hoynor , 51_6 • tothllm, U9 T t'x t il<~ )lrcht\lllt'il ond H eat Engmcs, . \ . )Jint'rul R csour<'t'S of the vrutrd l:itntcs, 1927, Riloy and Jo~. nunkl'rlt'y, 515 Ptlrt I .• Metals; Part. 11., Non-metnl'l, 'J'hcory anti lksign of Illuminating Engine('r· }~..1. l~ntz, 487 ing Equipmrnt, L. n. \\'. Jollo)', J . ~1. ) lodrrn llridgo ColiJ!truct ion, F . .1oh n~l ouc \\'sldrum. and G. B . \\' ilson, 487 Tuylor, 60 Throry of Jl t'at J~ugi nei<, including lhl' Action )!odcrn Dowser: A Pruc li<·nl Guide to of l\luscloll, J . H. H oldano. 226 Divining, Lo Vioomt o th•nry do J•' rance, T ownrd tl (.;ivilistltion, cditod by C. A. Bcurd , Trl\ll81o.t ed l'>y .\.H. Boil. 60 1 284 Modorn :-;l"' ago Dispo&ll nud H ygi<~n ks, Tmdo i\hwk Low t>nd Pnlcticc, A. ·w. ::;, H . Adt1ms, 34.<1 (:f'itJitiU!, 16 .Modrrn i)toam Turbine, Ur. -Iug. R A. Krart, Tmdc:> SutH'r: ' '" lnh•rnt\tiont\l ::>tud) uf tl83 'l'rudo Contlit1on~. prepared by tho E rono· )lodom Work~:~hop Pmctict', E . Pull, 6 15 micnl tlnd ,'tnl i~<tirnl Department o f till' blot or J.aw: An . \l phabcticul Di~r .. t. of tl w B.E .• \ . ~J . A., :?211 Stotutcs und R egulatiorus AITt•N in~ t ho " of lh<' Jn:<titulion of ('lwuuo,, 11<'11:1 of Privoto 1\Iotor Cnrx nnd Mot or ·• Trnn><M'liOllt:! c.·al l~ngin~·~·r"l. \'ol. 7. 192\l•. 46 . , ( 'ycl('!-1, iududing tho R oad 'l'rallir A<·t, " Tnutsuctionx " of tlw lno~l1tutwn (•f ( '"'' 1030, ('ompili.'d by tho .\ .•\ . L<•gtll D<'Jlllrt · :Engim'l'fl! of Jrclnnd, \ 'ol. !-"·:~~I} , 1110111. 17 7 " Tran~<acliOIIS" C\( lho JnHtttullou <I( Nnn1l ,\lutor Hepuir Mtlllllt\1, 9i .\rthitect><, 1930, 60 t ~lv Frit•nc l . .tllr. Edison, H l'lll') Jo'o1u 111th • Twenty-fourth Annau1l Jh-po•:t of the• B1• 1!~"~ :-)nllluel l'r·o'' l U!.'r, ()Hi Smokl· N uit~onCI.'l! Commu!l!tun for t ho ~Nil :\<•w Huulh \\'t•k•o~, Hopor~ of lho t>cptlrtuu•ul 1029 ~0() of P ublic Works for Lilo Yl•tlr J•:ndod Juuo Ul:'bor 'dir l •'ol!tigk<>it obt•nN· ~okrcmpll'l' 30th, 19~0. 226 K cssdbi>dt·n ohno und mit J.iingsnnkl'l· :\on·m<llllllic I nclll8ions in l ron ~~ud l:>tcel, Dr. oder Hauchrohr, Dr. c. Tccl111. U. A . Carl Boncdicks ond H olgo Lofquit~l, 604 Huggc.m lwrgrr, :JIG . Organisation in tho Cotton Tn\dr, Jo'. tlrcl'n· Unti.'fl!Uclmnlo(cn tlbor <h•n Lu!t\\ tdcrt~tond, halgb, :!Sl Or.-lug:. J\url Sutter, 6 3 Jlo.racbutinl!. ('. ])i:-on. 1;, · \ ' oh I'll 111\tl \{(•\ l'rl<lll~ c:eur::<. BPI\l>iCIII l'tl(('nt,., l>t•>t tj.:ll~ 1111d 'l'rudc • ,\ l,u·k \t·t "· I I. J lul C'l 111\t!OII, ll\7 Fh•tchcr bluullun tlllll .1. 11 . E\1111'>· \\•c:tl•wll\k<·hnrm·><, l.t""" UH\JHI , tiO I .Jtu kbou, .; I !i \ \•dc••al XululiOllllf ·' t'. ('•n·tutt<, ,\ , t:LIIIIPLl, l'l.mHtOJ\ unci :-iutx•rl\111111111 tun F111ul ~. H. :! l .Robortsou ar1d •\ . Xoni\1\'L~. Uti I \'ollstuuiligQ Zal1k•ntafdn wad lJ1ogrnmwc l'hy icoJ MetaUur~y Laboratory l\lunuol, X. • H\r das spt'zifischo Volume~ ell's \\'asJ!I:'r· .K W oldmnn, 515 druupfPfl bri J)rnrkt'n zwtRI'hl'n l ~1ml l'hyf!ikalieehe Stt\u hi)('Hl i nllll\lltgc•n, 0. l\f. :!70 utm. , Dr.- In~. Jl . XfWYt'n·r and Dtpl.· J<'abor, 28 l ]Jtg. (:. l)nun•r, 7 JO , . _ l 'looe of Engint'cring Scil•nc~.• in Llm' n~<it) Water Po\\<lr Around tbo \\' otld, l' ornLm, Ut S tud•ce, H . V. outbwell, 611 lX LITERATURE (rontinu«l): Books Received (co111 i nrwl) : Wnter :-;upply and \'t ih>~nliou, 1>. 1\l. Unker a\nd J L Co11klin!;, ~8 1 \\'hih\kc., r's Ahm1or10k. I 0:11, .1. \\'hittlk~,•,·, 6$:1 Wind Strr~<.-;cl! in lluildiug-., Hohins Flomiog, 2 1 Tcehnollll!.' : Th~' l'I'O<h!dinll. Mt'ta.~urt'mi.'nt ruHI \pplrrotwu" o( X-rn)"· JJ. ) J. 'l't'rrill nml C. '1'. Ulrt'), -1 7 Zmt Smelting from t\ l 'h1•micnl und Thornlll· (I) numi(· \ 'il' \1 pmn t , ('. (:. )lllil• r, 51;) Zur J!'rogl' dcr Br nnSJII' III'hung bo1m Duurrl'lllag\'<'rsuch (:-;1 f<'"~ tit Jt<'P<'IIh•d J mpo(·t 'l'l'><t:<), Dr.-) "K· S. HN·g, 1111 z\\ <'1\Uitl?." tmzig!ill• lll'rl(• h t fo! I>(I' c)(';< Koh ltl 11. ~:~ to 11 Ul\ll&~c· hus..~<'i:l de•>~ H 1'1(' IIHkuh I<IIIJ'll tcs. X-n\y us:J Ll \ ' E H POOL nnd ~lunrh~•sll'l' Hllilwt\y, Cen· l 011tHV of, 3 J G Lloyd 's· I~ogister or Shipping, Allll\IU! Heport, 46;) London W ut crs, Hoport. on. 195, 230 . . . Lorry with Movin.,: J>Jntform, Prut(•tptlltl~· Wngon Cornpnny. l.td., G10 l'•···· '.V M MACHINE TOOLS : l'utt.in)! '1'1•:<1:< with ( 't•nt\•Ut.·d Ttnl}l>!l\•tt· tMIJicl1• Lut he Tool::c, 'J'. U . J>it:!-:1'8, :l l7 J)1•illing ) fnchintl ror :-:tcl•l ('oltantnS 1\llcl (:irtlors, Stntchtml 'or\ i(·O (.;ompt\ny, ii 12, ,) 18 Ll\thc, ::\e" Dl't~ign of ( 'omiJint\Lion ' t'urrol, .\trf<'d H t'rt)('rt. U d .. 50 . 602, U03 Supt'r HigiH•pcl'd Lntho, John H olroyd und PATENT SPECIFICATIONS, BRITISH I i mtrl/) : ?llotur t't\N n11d Hul\tl Tmlli<•, 4 1.;, 5.36. tlGtl, 7 •) •) ~- l'lllltpin~t tlltd Blo" ing .M tll'hint'r~, tW, I :HI, ''"8 ''8" t"l-v • ~ ''· •· f Slup~ 1111d llotll><. 1118. :l:!i. (i:jl! ~11•11111 (;I' IICI'tllllr><, ~;;, :! 11 , :!lii, :J:!i, 171, IO i 6 3 7:! 1 S\1 it<·i•gct•;, I :1.1. lli I. :J .;, 115, Ill , ti l l, tili.i. i:!l T<•lp~mph'! oml 'l'l'll'tlhotw~. :!.i. 7!1. I :Jti. 10 I . •.,-I • 6'1,,,,, t l• ~). 1"tr I, •J• I I -( • 3"" 'l'rlltiiWtl\'1< nnd Btlil\\ r\y>l, ~:; •.; I, I tl:!. ~I ti, ~07. :lilli, Gfl:l 'J'rn ""f1>rn u•r.. "''tl ('t>n vt• rl <'I"><, .i:l. I o i. I :1.;, I Si. 2 1.;. :J:ifi, :lS.;, G27 'J'l'llll"lllirc.~ion of Po" i.'r, i9. I U7, ~I H, :!tli!, ~117. :327. :lfi6. <1<11 , 471 , 58:1 l'EAH(;t·:, Ur. :-:. 1. .. Ar•·tut~c·rnl!nl ror ('h•tlll!!ing I"Iuc G a>~N•. :l !l l Pt'r:<onnl nnd Bll,.in('~>i Announcc111<1nl8, 26, 5 1, 77, I :J:J. IG!I, I r,, 2 13. ~39, 265, 29ii, :125, :1;;:1, :} :1, <I 13. l :l!). 172, 495, G~S • .";G3, () I , 6U!l, t;:J;;. tlt;:l, tlO I , 7 10 l'hoto-clcclrio Bit umcn Estimol ing ,\ ppnrut u~. H.. 1. IJ niiMd C'o.• J.tu .. 568 I''IX' Tl•-"tllll! ~hwlune. Con~·roto. :J~3 I'll ling i11 \\'tlh•r 'l' urhinl·s, El11\ . Ent.:l"~""'· ll~ J ~ I Port l mpn" I'IIH·ut, ut Jl nlift•:-.. ~ .~., :19tl l'ort (t( llaH'cll'lll"• I "'l"'ovc.•m('nt" 111 tIll', :!ill, •I o •I ~o~ l'rrmi J I' (:t\tl l•:ugimt ('omptuly, IA <I .. I OUt! B. I I. I'· Vi11-t.- ' ' i:< R orizontnl Oil J•: uAi" l' fo•· .Fon l' umpinj.:. tl2ll, 6:? 1 ; (Ermlum ), (liS Q (.'o., Ltd., O!l.t. 0 G :'ll11~nrtir Rcparolion nnd Xi"' 1111-( of Foundry ~11nd, H t~pid ~logtwtting .\lot hin o Com- Ql',\HTEH.' S H t'~tHslor of Shipburldin~ 'luppin~. 42ti Hchlnll!, Lloyd ·,. pnny, Ltd., 6:Jn ~lt1nufucturo of " .!!:cl ipso " J l nckt~t\W Bludes, :312, 316 :\I ;\~ l ' l<'ACTU1U:: of H.A ..\ . CllrLridge Ct\SO><, 1•'. Atlcock, 668, 7 00 R i\lorlcet <.:ardon (.;ult-ivt~lor~<, <.:oo. Monro, Ltd., :130 Molropoli tnn \\'l\tor llol\rd, A nnut\1 Hoport, 5:l6 RAILWAYS AND RAn.WAY MATTERS : EuHtOI\ BuiTor 'lop Collil!ion, t'oloud Modi.'\ or Bnush-Ljttnl(~<lrorn Slotun Turhine, 'french '~:~ Hoporl. 54i Hoynl ::icotthsb l\J usoum, (.1 lus~ow, J 2tl Flliluro of Jo'h\t-botlom Stcel HoilR, .\ . J I. Munktelll! i\Jek-Yl•r"''lllldl! Aktii.'bolog, Fu<•l Oil Ji uddnrt, 6SO Tractor , 338, 3:39 Great " '('stern Hailway Compnn~'" :\<1" 120-Ton .RnihH\y Trolley. 48 L.)l. ·. Hnilwu~·. Now ·• Royal Scot " Expr·t'~S 'l'min, <13 L.)l.S. Hllllwny Telegraphs, 22 1 N L.N.E. Roilwoy, Wireless on T rain><, 59~ X ,\'l' J ON. \ I. t'crtifical e>< in :;\IIJc ltOnit•r\1 Engi · Hail HI\! NI on l ron ond Steel, by 1~. 'J'. Good. 7 nooring, 37i Honcwnl of F olke!!Lone .H orbo\•r Swin~ Ntll\lrt\1 Cns, Propo><od Long Pipo Lin{'s for, 311) 13ridR(•, Sout.h orn Railwny, 6 l 4, 6~ I . Nt'w>'print. Mill in Novn Hcotitl, 140 Hide " ' ind and tho Resistance o( 'l' rt\111'<, C. F. l)endy i\Jn~hnll, 560 Null' Oil thr Constilut.ioJ\ of Clltltnium·:tiue Alloys, D. Xto<·kdt~lo, 337 Ht en m Ht~il C'onch, A 200 H .P . "'Jot rop olitan Cornuwll Corriogo " 'ogon nud Finont:\' Complmy, Ltd., and Sentinel " ' nggon \Vork>i, J .td., 604, o95 T" o ~t'w Hy·J)Bl ~;es on tbo Great \\'t'xlcm 0 Hailway nt \\'estbury and l<'romo, 119 OBITUARY : RAILWAY LOCOMOTIVES : Adtlllh!On, Utmiul (l'orlmit ), 12:! Dl•milmcnls of :Express Locomoti\'C><, 3U7 (' lnrk. J. P .. G9 11Nwy Oil J~ngincd Locomotive for JiluntnCorcke, Emilo, 57:1 tion Son it:o, . \,·ons ide Engine Compony, <:rogory, John Pugh, 17 ~ l.td., 22:J )lnrl\'lly, .H onry :;lhutyn. G·l ii " Lion " Lot'omot.ivo, Liverpool and l\hm ~~~~tth('WI!, Erncst R on111<lY, ;;4 !) <"heutor B t\i lwny, 1838, 535 ) Juirhcad, Richord, by Colonl'l H. E. l.o<"omotivt', Links in tho H istory of tho, Crornplon, 287 C. l~. J)ondy Marshall, 56 Xorton-Uriffith::~, :ir John. :n:! Side Tonk Locomotive, 466 Pht'lp, Wo\t{'r Bernard, 2115 Rul!Sinn L ocomotive Problom 4~~ Rees . E. S. G., 151 HATE , Hail, on Tron and.._ lcol, E. T. Good, 7 Scut on, Albert Ed" Md (Port rtllt ), 1 7~ Rntionalisntion in tho Iron and Stet! Smith, ir Willinm .t:dwi\J'd ( l'or(rl\tt), 31 4 I ndust ry, 622 \Vharton, Charles Courl<>nay. I i~ Recent. Drog-line Excavstor Proct ire in (:erWi\i!on, ,John Williom. 240 mnny, Dipi.-In~. :Br\lckmann. 3 8-391 Victims of the .\irship " l-t IOI " J)i,tt:!Ler, R ofuso J)ispo!.!al in France, Tho Boccari ProOfficers, 402 Ct'IIS Of, 6 At herstono, J.ii.'ut. -Conununtlt•r X. G., -l03 R osenn·h, 'l'illlbl•r, 5 17 Giblott.. M. A. , 403 R cservoirR (Hofoty Provi11ions) ..).c·t, 1930, 506 lrwin. Flight Liout cnont 1:-1 . ('., 10~ Hiflo Per£orml\nc<~. Dernol\lltrotion<t of, 320 ,J ohnsl on, Squadron-L NidOI' K L.. 4 (I:! Ri,•oting, A Nl'w HyRl!'m of, ~76 StofT, Flyin~t Olncor b!. H., 40:! Ho(ld Holll••·, 4-T on l'ctrol-drivon, Horford l\ncl P t\.'!S()ngers. 1103 Pi.'rkirus, Ltd .. Ill Broncker, Sir 'efton, 4tJ:l R ond Rollt'r, 3:? 35 13.H .P . Two-t•ylindcr OilCohoore, Wing Commnn<lor H . B. U., til l on~inetl, 8 R iehmond. Lieul.·Col. V. ('., lll:l Rond ·ur·fnro l~'<porimonts on Kingston ll) · cot.t, Major C. H., lO:l pa<t<t, 460, 4:>1 Thomson, Lord, 103 Rood urfnct'~, Armouring for, l~,t Ier 13rot hrrtl, O il.- " ' orkR, Ropcwoy J'lont nt, H. \\'luH' 1111d Ltd., 660 !'ions, 696, 70 Rolling ) Jill ' hcet Bnr ror Japan, GI O, 5 12 Hopowoy l'll\llt. t\t n Lnrgo Oil Worlcs, H . " rhito nnd on>~, 606, 708 H1ll hwoU llrbou Di Rtrict Count:il, Nl•W Howngo l>itopOt<tll Work;~, t 14 p Hoylll Agricul~urnl Society of Jo.:ugll\lltl Kho" tit )\tw<·hr~l <'r, 8, 3:!, G~. 8ti PATENT SPECIFICATIONS, BRITISH : Ru,..sion J.o<>omotivo Probll'm, 1~:! !?5, 5:1,79, 107, 135, JUJ, 187, :?15, ~ t I , ~6i, " H 10 I " l>ist\~lor, 305, 400 . 7 1, 1!)7, 5:?7, " H. 10 l " and t ho Altimotor, ('oloJil'l Srr ~97, 3~7, 355,385,416, I l l, 1 555, 583, 611. tl37. 66!l, 693, i ~I {:ordon ll<•nrn. 5 9 .\ crorll\utit:<, 1 7, 407 Ht~lloric>~ nnd ,\r<·umllllltor,., 6!):1 ('oncll•nxt•ft! und l•'l'rd-wtlt!•r llc•t~h'N, t I 1 ( 'rushiJl~ nml <: ritulm,:.:, I g, :1~11. ti\J:l J)vm\lllOl! und ~ltllUfl!, :!;), 71), 1117, 1:1:), 1$1. ·~ I G, ~11. :W7, 29i, :l~7. 197, Gr;5, !i 3, 011. tlUG,093, 721 ST. 1..\ \\"I< 1•::-\('1-: \\'t~ll'r"ny l'rojc•l'l: H••ptll't J•:loctrica.~l .\ppli,,lll'es, 5 1, l i I on Jull•rrll\lloru\1 J{t\pids ::icct ion, :Juu, 3tll J•:u~incR, lnt<~rnal CombiiHl ion, :!5, 53, 135, Hc•tlrifit'r on t> Hoc\d Holler, lmpr·u, ell, ,I ohu 215,~67, 355, 471,637,606 Fowlrr· nnd Co. (Leeds), Ltd., 1!7 E11giuos, Stt'urn, 53, :155, iJ 11 Scientific <.'onsul t nnl, 448 }'~1rnnccs, 80, LOS, 161, 187, I ll, 171, .3~i, Helf ·COnlt\i ncd l~loctric Power \:nit, Hoult on 6ll nod l'tlul, Ltd., 62 Go..-. P roduceft!, I 7, 2 16, 356, .I ll, J i I, 583. 'c" t\I'!:U DrHpo~al \\' orks of H utll\1 c•ll l ' rhan 665 l>iHt rte•t ( 'IIIIIIC'JI, I 11 l.tghl ing uncllh•t\tut~, 1!11, llli, tl!l:l Lucomot ivc~. 112 SHIPS MD SHIPBUILDING · ~lll<'hiuu Tool' und :-il101p \ppht"" r~. I Oil, I :lli, •), ''" .,.,-, , 'l"i '' 5'-1 7 , 555' General Matters . 16 ... -v , ·•!)-, , .,. • " ' • ll'l • • 17 ., fill3, 61~, 7:! I l'lu1fl SlH'~'"" lhw to 'l'o r><Htlllll IIIIJIIH t, 11.! ~h•asw-ing nnd Tcsltng l •u.lrutuuut><, 5 1, ltll, J'uh or1~cd ~\ll•l t~t , 'eo, 1'1so •· lntemoro ' Installation, I l 242, 207,327,356,498,11!13 M11tnll111'j::Y, :?97, 328 H,·~ •Ritlll<'l\ B11ll \\'l'lding in Hlcip~nnt~. 7 11\ MiHeCIII\IlOOU~. ~11. (i I, 811, 11111, I :ltl, ~~~~. I il!l. TurbO·<•h•c•t 1·iu l.inpr:< fort ho Dolltu· l.wt•, 0:!:! 1 ~16, 242, 268, ~!)7, :1~8. :1511, 386, 416, 4 12, l ' nion·Ciitctll' !\lot or L11t1'r " \\'i 1wl tl'~lcor 408,628,555,5 1, 6l~,U38,666,69 1 ,7~~ (.;a"'t h•," Ht~rlt\nd und \\'olll, Ltd., <I ~ I s • • I.N DE X. X SHIPS AND SBIPBUILDIJfG (corninued): SOUTH AFRICAN ENGINEERDfG NOTES Fall in Foreign Trade, 263 Gold R ecovery from DumpH, 129 Hydraulic Engineering Schemes, 323 Industrial ~nsus, 550 Inyaminga Petroleum, 1 I Irrigation in Northem Zululond, 577 Irrigation Projects, Bir.t, 236 Johannesburg's Now Plant, 157 Joint Sewera~e Scheme, 688 Life of the :Mmes, 688 1\Iadingushy Falls Power Schomo, 353 }fonganese for Export, 129 Manganese Shipments Begin, 236 1\farine Engineers Busy, 550 ~1ineral Output, 550 J\'[inerol Production in South Africt\, 647 Mining Expenditure, 156 Motor Cars in tho Union, 550 New Air Service, 647 New l!,ord F actory, 677 I New Mining Device, 156 Ne'v Railway Lino, 688 New RaiJway Works, 322 New South African Industry, I 81 Nyasaland Railway • ystorn, 263 Port of Durban and Manganose Ora, I G6 Powor Supply to lllines, 677 Powerful Coastal Light, 130 RadclitJe Observatory, 650 Rail Cars on tho S.A.R., 181 Railway WorkRhops, 181 Record Gold Output, 181 Rhodesia.,Yalvis Bay Railway, HI, 677, 681! Rhodesian Railways , 4 , 237 Rich Torbanite and Cot\l Seams, 577 Roan Antelope Mine, 322 ~Scrapping Branch Lines, 49 Sheffield Steel to be 1\lado, 5i7 oan Wire Pack, 237 South African Invont•on, A, 4!) South African Move ment to ·• JJuy ll•·•tit;h," 263 Dutch Motor Lmer, A Noteworthy, " Balooran," 119 Liner, A Notoworty Dutch :\[otor, "Halooran," 119 Paper-carrying Vos>~ol "Tharold " Earle's Shipbuilding and Engmooring 'company, Ltd., 64 Turbo-electric Linors !or the Dollar Line, 622 Naval Ships: Destroyers, Argentine Navy Ocean-going, J. Samuel White and Co., Ltd., 94, 99 River Gtmboats for the Colombian Government, Yarrow and Co., Ltd., 360 SIXTY Years Ago, 10. 47, 64, 101, 116, 16 1, 171, 200, 223, 257' 2trl, 316, 350, 368, 395, 430, 451, 482, 607, 649, 665, 596, 627, 646, 683, 711 Small R eo.vy Oil Engine, R. A . Lister and Co., Ltd., 86 SOUTH AFRICAN ENGINEERING NOTES : 48, 129, 156, 180, 263, 322, 353 Air Survey in Rbodosia, 577 An Industrial Contre, 156 Atmoqpboric Nitrogen, 353 Automatic Telephones in Johannesburg, 157 Black Labour in Industries, 263 Bloomfontein Wate rworks, 689 BuJJalo Harbour Works, 181 HuiJdiug TramCMI!, 353 Cape Town Aerial Railway, 181 Cape Tom1 C1ty Engineer, 353 Cape Town Harbour, 689 Coal in Northem Rhodesit~. 6 9 Congella Power Station, 130 Copper Mine, Rich Big, 236 Durban's Electrical Consumption, 688 Electric Trolley Omrubuses, 577 Electricity Devetor.ment, 688 Elec tricity Supply Commi~ion, 560 AFRICAN ENGINEERING NOTES (continued) : (continued) : Mercantile and Miscellaneous Venels : SOUTH ·rus l::NOINl!t:tt INoEx S uP.PLl<Mt:NT, JAN. South African Oil Industry, 322 State Steel and Union Steel, l 29 T olescopo, Third Largest, 1 L Tenders for Steel 'Vorks Plant, 157 Trackless Tram T ests in Cope 'fawn, lll7 Turning Railways into Tramways , 550 Victoria FaUs Bridge, 237 Union Steel Corporation, 577 Vereeniging Power Station, 236 'Vitwatersrand Factories, 181 SPIRAL Springs for Spring-driven )[otors, E. C. Wadlow, 474 Stool and Iron, Rail Rntes on, E. 1'. <.:oocl, 7 Subterranean 'Vater R~searoh, 506 "Supor Lancashire " B oiler, Danie l Adurnson and Co., Ltd., 321 ~Sydney HarbO\It Bridge, I 0, 12, 40, <J 7 T 23, 1931.-(V<n. cr•.) Union-Castle )lot or Liner, " 'Vi nchostcr Castle," Harland and WolfJ, Ltd., 42! V V.E HICLE. An Hight-wheeled .FouJ'·Stvoring , Sentinel 'Vas:~on \\'orks, Ltd., 290 "Vita" Glass, Report on Ultra.violot. Tranl!· mission of, 666 w WAGON, 6-Ton Steam, F odons , Ltd., 62 ·w arehotrse Truck, A 5·Ton, J . Collis e.nd Song, Ltd., 715 Water Supply Problems in Holland, F. A. Liefrinok, 63l Water Turbines, Pitting in, Elov Englosson. 418-421 Welding of Pressure Vessels, Fu.t~ion, 393 Welding with Covered Electrodes, 692 TAR tmd the Hood!!, 398 Telephone System, Automl\tic, Tho London, WIRELESS : 464 Broadcasting Station for Warsaw, P olt\nd, Testing Machine, Brake, B endix-Pe rrot Hrakcs, 406 Ltd., 549 D evelopments in Canada, 561 T esting Machine, Concreto Pipe, 323 Direction-find~ Stations in Canada, 662 Tests of R oad Surfaces on Kingston By- pn.. ~. Installation for Tanks and Armoured Vehicles, 450, 461 4.06 Tidal Power Scheme, Shi.:shkofT H ydro The rmal, Wireless on Trnins, 592 330, 358 'rractor, "Sufiullc Punch," HN~' y- duty l:itoum, WOR J, O Agricultural Tra<:tor 'I 'r iall! ot. R . C:arrott t~nd Hons, Ltd., 63 Ardington, 6, 8 'l't•rkestan, \Valle r Duranty, 450 \Vorld Powe r Confe renco, 'ccond l'lonur) , Berlin, 1930, 14-16, 35-3 u ULTRA -VIOLET 'l'tal ll:llll i~~iou <.:loss, ReporL on, 6G6 o£ X " \'itt1" X -H.A 'i Vrystol .\rmlysis in Engineering, :l • ~tbtn lla11 Journal. A AC'(.'J DEN'fH in In.tu~:~try, I :J7 Additional Water l:iupply for Ht,rry, 357 Air Disaster over Moophnm, 1<ent, 81, 4!HI Air .Man<rUVI'(\14, 16:l Air-propelled Roil Cnr, 443 Air Secretary, Now, 417 Aircraft Display at. Croydon, 47:! Airlines, WoRSO' A1rcraft fot· .Belgiun, 27 Airship" R 100," H .M ., 109, 137 Airship" R 10 1," hnprovomonts t o the, 2\JII Airship Schema, An, 163 Altimeters iu. Aircraft, 417 An Electrically Propollod Comont Carrying Motor Ship, 109 An. Outstanding Moto r P~nger J,ino•·. 357 Assistod Wiring Schoroot~, 109 Assoointion of Scientific Societies, 557 At~suon Dam, 329, :JG7, 613 Atlantic Liner !ot· J."rGnce, 667 BALLOT uf Imlustry, 27 Hanks and Empire Trade, 27 Belgian Airline!!, WcRSOx Aircraft fur, 27 normond8Cy , Electricity in 27 Blake, Tho late :F redorick John, 109 Blue }'unncl Motor Liner " Polyphemus," 409 Blue Funnel Motor · hiJ> "Ajax," 695 Boiler Explosiolll!, A Yl'ar's, 163 British Association, 329 British A!!Sociation Bri~:~tol Meeting. 81, 329 nritish and F rench IShipbuildort~, 586 British Broadcasting Corporation, Now Headquartors, .F:rection of, 55 British Destroyers, Now, 329 British Destroyerd t o bo Sold, 243 British Electrical and Allied 1\lanu(ncturors' Association, 667 British ll£achino T oolll for R\lll.':fia, 667 B ritish Motor Industry, 217 Broadcasting Corporation, Third Report, I Broadcasting Station , J\ Now, 217 Buildings, Steel-framed. 65 Building Trade!!, Cmnes in th o, 27 Cunard Liner,, New, 1:11, 32!!. 557 Cunarder, Preparing for tho N<·w. 21:1 Cutler~· l··c~t ut ' hefficld, 52U I UALMU Ut Shipyur<l, 26!! Depth Sow1ding at Son, 667 Detroit-Windsor 'l'wmol, 40!J Dry-docking Accommodation at. Orccnocl<, 695 Dry-clocking tho Now CtmOI'd l.inor, 387 Duko o{ Northumberland, tho Lute, 217 Dunston P ower Station, Equipment for, 387 DI.Ul.Ston l>owm· St11tion, Now, 243 Dutch Dot~troyor l 'rogrurnmo Completed, 567 HAH'A-BAGHDAD Railway Surv~y. 320 Harland and W oltJ, Ltd., 163 H eadq uarters o£ British Broadcasting Corporation, Progress in Erection of, 56 High-pressure Salesmanship, 47:3 High-tension Transmission Li no in New England, 499 " Hiudenburg" Re6oated, Ex-Gerrmm Battle· cruiser, 8 1 " Hindenburg " Safely Borthod at Hosyth, 217 H .l\:1. Airship "R 100," 180 H .l\1.S. " Dorset shire," Trials of, 137 Humber Bridge, Proposed, 24-:3 Humber Bridge Scheme Condemned, 329 Hurnphreys, Sir George, 686 H ydro-electric Work in Spain, 499 E I D " ILLUSTHATED Onicial Journal (P~teonts), ECONO.M W 1\l it>-~inn t o th o l ;ur E~t. :WU 499 Electric Lamp11, ~cluctlon in Price of, 217 Important Coal-oil Experiment. 357 Electrical Supply Co-ordination , 5G7 I mprovements to the Airship " n I 0 I," 299 ElectricaUy Operated Motor Tanker, 387 I ndustry, A Ballot of, 27 Electricity in Great Britain, 443 Industry, German Locomotive, 55, 163 Electricity in the Irish Freo Stato, 667 Institute o£ Marine En~eers, 329 Electricity in South· '\'est Midland!!, 65 Institute of Transports New President, 417 Electricity Supply at Dunoon, 299 Electrification Extensions, Southern Ht,ilway, Institution of ·Mechanical Engineers, Mjdland Branch Dinner, 585 27 I nternational Trade Conditions, 137 Empire Broadcasting. 1 Empire Possibiliticl!, ir Emctlt .Poth•r ou, 55 Empire 1.'rado, 269 Empire Trado and tho Books, 27 Engineering Unions nnd tho CovN·nmeut, 520 L ow-t<'mpcruturl' Carhonisation, fi95 L ow-temperature Coal C:arbouill•~tiuu , AI!So<'iation F ol'tuc!l, 81 J UC:OSLA V I AN Flotill~ Leudl' r, <199 F K K!NGSWAY Tw1nel Enlargcmont, 299 L LA SOUR'S Distrust o£ Science, :.!G9 Large Oil Tanker Orders Placed Abrond, 2 I 7 L arge Wireless Receiver, 299 Last Voyage or the" R 101," 3 7 L i.ster, R. A., and Ruston and liorn<Jby Amalgamation, 1 Li verpool Oil Cake E~-plosion , 357 L oad Line Conference, 27 Lochaber Hydro-electric Power Undertaking, 109 L ocomotive, A Famou.t~, 217 Locomotive Industry of Germany, 55, 163 L.M.S. EJCporimcntal Road Tractor, 613 London, .Midland and Scottiah Railway I mprovoments. 189 L .N.E. Railway Dismissals , 269 T.ondon and North-Easte rn Raihva) New Rolling Stock, 163 London Passen~er Transport, 387 London Tube Improvements, 243 Loss of tho Salvago Vcsaol "Artiglio," U39 ~ew M MADS EN l:w•. 'l'h<J, I !17 Manchostcr 'R D<'puty El(l<·t.ri cnl Engiucllr, 2GU Manrhct~ter··~~ Water Supply, H:l l\lurc·oni 's Wireless To le graph Cowpany l\kot · ing, GG Murine Ait·po•·t at Groonoek, 269 .l\lecbanict~l En~rineer!l' Charter Dinner, 44:1 Moopham J\ir Di>~o.ster, 81, 499 l\1ims t•·y of Lubour's Returns of Unomploy mont, 56 Mici -Scotland C•)nal Scheme, 243 Moro Shipyards to be Uisrnantlod, 586 M.otors u.nd Locomotiv('s, 529 1\Iunicipal Electricity, 26\J N NA<.: llAl\lMAD J Barmw·· Opening of, 61Ja National Experimental rank, 667 National Pbysi <'nl Laboratory, 1 Naval Co ntrac ts Placed ; 667 Navnl Items, I 63 Ne w British D estroyers, 329 Now Naval D eop Diving Ratings, 299 N ottingham University College, 27 J l!'ARADAY C{ll1t.ono•·> , 'l'ho, I :]7 Federation o£ British Induetrie11 und l' Hu.llot o£ Industry, 27 Federation of Britillh lndu~:~trios and Fiscal Policy, 417, 473 Fires in Bunker and Cargo Coal, 81 Floating Dock for Now Zealand, 189 Floating Power Station, 189 Ford Works at. Dagenbam, 387 Fowler, Sir H enry, 499 French Railway ~ntenary, 27 CAMP'S System of hip Construction, 55 Canadian .Pacific Railway Liner " Empres.ot o£ Frequency Standardisation, 529 Fuel Research Board Annual Report, 695 Britain," 81 Fulham Power Station Ext~·ntliOn, 417, 685, Canal Improveroont Scheme, 81 667, 696 Cast Iron Research, 473 ('erti6catcs of Atrworthincss, 557 Channel Tunnel, 1 Cbarmg Cross Bridge, I, 1011 Coal in Europe in 1929, 109 Coal ~lioing Industry in 1929, 243 G Conciliation in tho Shipbuilding Indu.t~try, I 63 CAIRNS, The Lato ~lr. J. F., llll7 Concrete Roods, Joints in, 137 German Locomotive I ndustry, 65, I 6:J Conference on • tet-1 tructures Research, 269 Giant Flying Bol\t, 299 Conte11t for the • ohnoidcr Trophy, 1931, 56 Glasgow Harbour, Improvement~ 1\t, 137 Continental Motor Cnr Trade, 109 Co-oporo.tion between Technical TntlLitutions, Gold Mining in C:r<•at Britain, 329 Grampian Rydro -olcotri c Schenw, 6 I 3 189 Grants for I mp•·ovements of lio.rbours and Co-operative Profit-shnring, 667 Cranes io the Building T rades, 27 Docks, 269 Graving Dock for Southampton, Ul :J Cunard Linor Begun, 6 13 Cunard Liner, Proboblo Second, 2 L7 Gyro Compass, 639 c H 0 U l L -l~ LBC"l'H1C 'l'ruc tion, 63U Oxygon and Acotylono, 585 p PARSON IS l\huino Steam Tnrbi_no, 387 Payment. by Rellults and Rate Fixing, 417 P . & 0. Liners , The N o,v, 109 Potter, Sir Ernest, on Empire Possibilities, 55 Posts for Students, 585 P ower from the Sea, 299 Power Plant for Holland, 613 Pretoria Steelworks, Tenders Accepted for, 529 P roblem in E conomics, A, 695 .Problems or Ship Des ign, 639 l'roposcd Atlantic Liners, 217 R "R 101 " INQUIRY, 473, 529, Gl 3, 6:1\l Railplane Syatem of Transp ortation, 473 Railway Accidents in 1929, 417 Railway, Centenary of the French, 27 Railway Wages, 557 Rationalisa tion in' Shipyards, 629 Rationalisation in tho Coal Industry, 473 R eclaiming the Zuider Zee, 357 R eorganising the Coal Mines, 639 R oplnoing the Lost s.s. " Tahiti," 329 Hesenrch in tho Printing Industry, 695 • • • INDEX. lwtiromout of l\Ir. Edwnrd H. Parker, 417 Hetiremont of l\J;r. 'l'. E. Thirlnwa.y, 695 Royal Air Forco Displny , 1 Hoyo.l Socioty nud 'cientifio Re;;onrch, 613 Rural Electrificntion, 269 Rural Electrification Scheme for Norfolk, 189 Russian Orders (or the Clyde, 329 Ruston nnd Horn.'lby and R. A. Li11tor Amo.lgn· mation, 1 I s ST. J'AUL'l>. 143 So.lford Electricity U ndt•rtaking, 189 Salvage Opot·ationl! o.t Scapa Flow. 631) Salving the P. & 0. Liner "Egypt," 243 :So.nto.ndor-Moditorranoan Ro.ilway, 585 Schueidor 'l't·ophy Contests, 1931, 66 Science MUBOum, 243, 613 Scottish Engineering Doni, 417 Scottish Stool Wor·ks Fusion, 585 Shipbuilding Employers' .Now Proflidont, 41Jil Ship Construction, A Now System of, G5 Shipping Conteoary, 189 Sim, Mr. G. G., The Late, 189 killed Employment and Appronticr11hip Association. 357 Slaithwaite, North Regional Broo.doo.sti ng to.tion o.t, 1 Society of Consulting lllarino Engineers ond Ship Surveyors and a Now System of Ship Construction, 55 South-West l\1i.dlands, Electricity in, 55 Southern Railway Eleotri6oation, New Extensions, 27 Speculation on tbo Ca\lSO of the Disaster to the "R 101," 387 Steel-framed Buildings, 55 Sutherland, John R., 'T'ho Luto Mr.• 639 Sydney Harbour Bridgo, 189 Xl Thomes Floods, 8 1 Thames Oil Storage 'obomo. A Lt\rgo, 443 Torpedo-boat Destroyer11, Two Now, 8 L Trade, Empire, and the Banks, 27 Trade with tho Far East, lOll, 2 17 Transport and Electricity Devclopmon141, 557 Travelling Electrical Showroom, 613 u Drot~dcasting Stt\tion I UNEMPLOYMENT, An Important Hoport on, 163 Unemployment Problem, Tho, 55 Unemployment Situation, Tho, 137 Uniformity of Voltage, 473 United States No.val Economy, 217 United States Navy, 639 T TELEV!SION H ondon, :J29 Wallor, 'l'ho L ate John Edward, 27 \Voided Contoiners, 299 W olland Ship Co.no.l Opening Po~:~tponcd, 243 Wossex Aircraft for Bolgian Airline11, 27 Windmills, 443 Wireless Pictures o.t Sea, 443 \Virolcss Receiver, L arge, 29!1 Wireless Telephony, 357 Wreck of the" R 101," 443 y Y AltltO W t~nd Co., Ltd., 667 z w noar ZAl\l.BESl Bt·idgo nod R ailway Schomc, 473 WAGES Heduotion in C.:ut•trutny, G2U • ' • A Alll>OJU>'1'10N uf Ach.l Ut~.~;us by TriolhunoltHltiuo, 9:! A byssiuit\u <.: uvurnmont to Constt'U(•t tt Dum Across tho Outlet of L•~ke T stmt\, 11 Accident to Stcam 'l'urbine Rotor Noo.t· Tuckor, <.:a.. U6 Acetyloue 'l'or·olt ('uls Tltruugh lron llutgo from ~~ Disttmco of :!5ft. in Now York, :!81 Acid 1\Jixor, U:l:l Advtultagos of \VQltlNI 13od-plutoll Over l'ttSL· . ,.till{ u f 'J' \tngt~len '. •··d e 'I' ooIs, ""din~, VJCOU79 on '• vt'JHt -..uru1 623 i\01·ial Utthlo 'l'ron.'!pOrLt•r o.t ilt\r(·olont\, \\'ork Cornmoncod on, 173 AERONAUTICS : At>roplano Ho11u for S\ti'"O) in~ 1'urpol!O at. Fort. Hesulut.ion, N. l'~tnl\dB, lO Aerophme Landing F ield b<>ing t'oMt.ructcd nt N o.ukin~. 51 1 Aoroploncs, Dovico t o Pro,ont.. 'tailing, 7 Air Force, .Flight Codot ships and Scholot·· !!hips Awnrda, 237 Aircrnft Appt'Outicol:l, 4!1 Aircr&ft Cst·rier to bo Sent to Buenos Aires for tho British Empiro Trade l~xhibition, 227 Air Liue~:~ Audod to Jtussian Not.work this Summer, 697 Air Mail Sorvico Uarrioa 20 Tous of Mail DuJ•ing J uno, Tho llriti11h, 93 Ai r Port o.t :St. PMtl • .l\1 i nnesot.a, 281 Air :Servico for t.he J<:nginoer from Hutli!Oll t.o Hod Lako (:oldfiold, Canadian N ationl\1 nailways, 39 Air· Pot•t Boaoon ttt U"lgary, Albert.n, to bo Equipped with Neon Lamps. 147 llombay, Finding a Site for an AorodrolllO 1\t, 65 llusk Studontship in Aeronttutics E~:~tablished in lllemory of Mr. E. T . Busl,, 77 · Awo.rdod toR. H . Francis, 398 Canada Airways, Ltd., l"ormed QS Complementary to the Rail Services, 575 ('~tpe T own Aerodrome,"' ork Commenced on, 483 Negotiations for F ormation of Dominion Air Sorvico in Cantlda Nearing Completion, 623 Photographin$ the Country by tho Royal Canadian A1r F orco for tho Department of the Interior, 31lll Proposed At'rial Servico from Canton to ' Vuchow, watow and Hainan, 569 Proposed urvoy of Mongolia. and Tibet by Aer oplanes, 39 :Stolling of Aeroplanes, D evi<·o to Provont, 7 Visual Signal JJ1dicat.iug Dovico to Guido Mail Aeroplt.\nes Ovor tho Appalachian Mountains, 227 Al!'!•'ORESTAT lON Sch~mo in South Africa, 311 African Cop~Ol' 1\lino, Union Mini~re Haut l{ato.ugt\, Now ~ocond Largest in the World, 1' 121 Agricult\u·ttl Traclor·l! T rinls o.L Ardington, , Mo.rshnll Tractor, Addendwn, 383 Air Compressors for tho Victorin Falls Power Company Said to be the Lo.rgest l\1o.de, 227 Alkali Indus~ry, Official Annual Survey, 97 Alloy of Lithium and Beryllium Discovered by German Chemist, 227 AJloy \Vorks o.t Pontardo.wo, Swansea, Restart Work, 569 Aluminium F actory in I .eningrad, 92 .\Juminium Industry, Development of, Competition Open to l u,·entors, 549, 630 .\luminium Stearate and ita Uses in lllo.nufacture of Paint, 483 . \Jumiuium Sulpht\to in Waters of Lnko ~:licltigtlll, 369 .\merican Motorist11 t\ud Au1ount of l~uol Consumption, 311 . \mmonia, Apparatus for Dissociation of, for Use with Atomic Hydrogen Welding Equipment, 483 Ammonium Sulphnto, Product.ion of, in Canada., 11 • Androo E'-pl•dition, K oh-i-noor P enci l Discovered Besiclo Body of t.ho EXJ>lorer, 597 Application ol Anhydrous Ammonin to Filtered W nter Priot· to Chlorination in Cleveland (Ohio), 39 Appointment of 1\lr·. J\louo.t J oucts to Act. us ASSOCIATIONS, INSTITUTIONS & SOCIETIES Advisor on Technical Educat.ion to Soviet. (continued) : Covorumont, 707 I NSTITUTION Oll' AUTOMOJHLE .i!lNOlN~"nS : Appointment of Mr. 'r. P cirson Fn\nk as Chiof Annut~ol Dinner, 581 En~inoer to tho London County Council, d7 Training of Young Automobile Engit~oot·s, Appomtmeot of Sir Ral.ph Wedgwood to 540 Central Eloctrioity Boo.rd, 671) Appointment of Two Sub-committoos to INSTITUTION o~· UHEMtOAL J~NO lNEt::ttM : I nquire into tho Possibilities of Dovolopirtg E11ccts o£ Slt rfaco Uonditions 0 11 11 t'tiL or of Heviviug t.ho \\rorl<ing of Motnlliforous TI'O.usmission, Dr. , . J. Kohli, 427 nnd .Associuted Deposits il\ <.:rettt Britain, 541 Arc \ Velding Prot'eR~ Usod in Ninetooo-storoy J NSTlTU'J'ION OF UIVIL .ENOINK&llS : High Building at Dallas, Toxos, 65 Indian Promium Awards, 421 Artificial F ertiliser P lant ut H amilton, Onto.rio, 3!1 INSTITUTiON 0}' EJ..XOTRlCAT. E~CINEEUS : Asbestos l\J i.uing l ndwtry in Cnnada, Report of Inlerno.Lioiil•l R elations Commit lt>o Now High R ecord in Production in, 227 Appointed, 427 Artificial 'ilk Factory at Douco.stor, to Start, Organisation of tho Eloctricallndustry in ·work in Docombor, 253 Great Britain, Pamphlet by P. Cood, 472 .\rti6cinl Silk Fll<'tory t o bo l~roctod nt Burgos, l >tlmphlet, D escription of tho Or~anittaLion Spain, 697 of the Etectncal J nduslry 1n Great llritain, P. Good, 597 ASSOCIATIONS, INSTITUTIONS & SOCIETIES: l 'rosonto.tion of Oil Painting of Amp~ro on ASSOCIATION, BntTJSH ENOINEEBS': B ehalf of Mr. E. Gnrcko, 541! .'cholo.rsbip Awards for 1930, :353 l\1r. William Roavell Rloct.ed P rcsidont, Vacancies on tbo Uouncil n ow Fi llod, 77 472 Transvaal, Local Advisory Uummit.tco AssociATION, llmTtsu: \VATEnwonKs: Constituted, 93 AfToresto.tion of Wate rs heds, Mr. R. L. }NSTITUTJON Ok' J~NCIN JJa::lUNO l NS I'E(JTION : Hobinson, 39 Annual D inner, 653 AssOOlATlON OF UoNsu.u rnw .ENOtNJO:.e:ns (I NCOll.POJtATED) : INsTITUTION OF H Y.ATINo 'ANJ> VENTIJ,i\'rJNO Twenty-first Annivorsm·y Dinner, 592 ENOINEJJms : J(olvin T heory in J!motico, '1'. <..l. N. AssociATION, DmsNL ENOTNE Ust:ns: Hnldano, 553 Vi8it to Basiugstoko, 133 ! NSTlTUTlON, J UN10Jt, Ok' J~NO LNEI-lll!::l : AssociATION, l~LNCTJtJCAL PowJ·:tt l!:NCT. Annual Ceueml Mooting, E1octiou of NEF.RS' (LONDON J..OCAL 'f.t;CJINICAL Offlcers, 568 GROU'I') : Awards of Medals und J?riz<'>~ fo1· 11!30, 35:J Progress and Devt'lopml'llt of Modern Bngine, 'l'wo-atroko, K '1'. Wo~:~tbury, 611 Steam Generators, <.:. A. l'lwnmer, 5U9 J,uminou" Electric Tu I>Cs, H . 1\tt\rryttl, G11 Hapid Exposu.ro for Photogro.pby, 051 AssoCIATION Ol' l:Norn.:~::xs, l\IANCut:RTEn : President's Evening Entortnimnent, 678 ! NSTITUTION 01' l\lt:CllAJSlCAL ENCJNNt:l\S: Visit to Works of HMS Ronold, Ltd., I 05 Award:> to <.:ruduutcs, 490 North-Western Branch , Graduates' •'t>o· Assocu\TION, NATIONAL ELECTJUCAL li!ANIJ· tion, Annual Dinner, 678 YACTUREBS' : Address by 1\Ir. Vi rgil Jordan, nn American Economist, 54 1 AssociATION OF SPECIAL LJBHAltlE!::I AND L~l'OBMA.TlON B\TREAUX : Conference ut Oxford, 93 l::stablishmen t of Panel of J~:-. pert Translators, 1 J, 341 [JSs:r.tTUTJO:, ConNISH, oF ENOINEI.ms: Need for More Co-op eration B etween the China Clay l nd\tstry and the Institute of Engineers, 57 I NS'.rJTUTE OF CosT ANO \VOHKtl AocouN'l'· ANTS: Costing, o.n Aiel to Management. 4 16 I NSTITUTE OF ! NOUSTRJ.\L PsYOUOLOOY, NATIONAL: 612 l NSTITOTE, lnON AND ISTt:EL : Programme for Autumn 1\looting at Prague, 2 13 . Torsional EfTect of 'l'ransvor11o B endmg Loads on Channel Beams, 597 L'\STITOTE OF l\IARINE ENOlNEERS : .Annual Dinner, 1031, 413 lNSl'l'l UTI:: OF l\lliTA LS : Autumn lllcotiug H old ttt ::>oulhn111pton, 173 Autumn i\leeting Progrmmno, 88 I NSTITUTE, R oYAL, OF BnlTJSJl J\ROJllT.I::CTS : Awards of Maintenance Scholarships in Arcltitecturo, 146 I NSTITUTE Oli TRANSPORT : A ward of the Railway Cowptmiell' As.'loc·it\· tion's Cold Modal11, 116 Presidential Acldross, Sir Arthur Stt\nley, 455 Proposed CQntinento.l T our in 1931, 398 INSTITUTION OF NAVAL MCJJ1Tt:OTS: Annual ~[cetings, lllo.rch 26th, 1931. 51 1 A ward of " Y arrow " cholarship, 495 Duke of Northumberlo.nd Prize Awarded, 553 Scholar!lhips (1930) Awurds, 230 Scholarship:> in 1931, 635 I NSTITO'l'lON O.t' l't:THOLt:VM 'l'~('IINOLO· CISTS : Fellowship AwMclod to Dr. H . 1{. Ll\ng, 133, 147 I NSTITUTION Oll' ASSOCIATIONS. INSTITUTIONS & SOCIETIES ( continutd) : Socn:TY Ol•' ENOINElms, "J ou 1t AL: " T ho Spectl\oulnr l llulninatod Jo'ountnin of Dal'celont\, A. S. E. AckermallJl, 4.27 Socn:TY, NATIONAL SMOKE ABATt:M t>N'J' : Anlltml Conference o.t Leicester, 14.7, 2()1 Soctt:TY, OPTJCAJ,: '""' Xpectropbotomelor, l>o><cl'it.NI l>y 11. Huckley o.nd l!'. J. C. Brookc~:~, 597 SOOlt:TY, \VliJTWOUTll: Summer l\lcoting at Crowo, 162 SoCtl-lTY Ot' Cn.t;allOAL l~o~ous'J'RY (LJvJ,JtJ•ooL l ..oCAL S.t:O'rrON) : Chemistry in the Service o£ tho lhLih' uy, Dr. J-ewis Dale, 651 SOCIETY OF CLASS 'l'ECJlNOLOOY : EfTcct of H o-meltinp: on t.ho Propl•rl il•ll of Glo.ss, Professor \V. E. :S. Turner, 54 1 SOCIETIES, }>nYSlCAL AND 0l'T1CAL : Twenty-first Annual Exhibition, 398 A, Y. UT Barrl\go, Remodelling Postponed, r; 1 Award to Dr. G. D. Bengough and 1\It•. Ulick Hichardson Ev t\ns ft·om tho Sir C.:oorgo Boilby Memorial Fund, 39 Awned!$ o.t University College, Loadon, 73 B BAMBOO for J?uper Pulp h·om Et~.~;t Aft•h:u, :JIJ Barcelon&, T enders Invited for Now Docks tLl, 506 Belchet· I sland oli fiud..,on .Hay l\fay J:Jocomo Importa nt Iron Field, 31)!1 Bt'lf&st Corporation and Dovl'lopmont of 'l'ro.nb· port in Suburban Areas, 341 Belfast Harbour to Rave New Dock and Turning Basin, 121 B em:ol o.nd Coal Distillation, I>rogress Heport of the B r itish B enzol and C'oal Distillation, L td., 173 B enzol Recovery Plant at B ecklou U~work1:1, 253 B eryl Crystals from ihe Somerset Mint', South A!rica, Average \Veekly Output of, 93 Beryllium, T he Price of, 281 Bitumen Imported into England in Mollou State, 707 Board or T rade Engineer and Ship S\tt'V(IyOr:;, Examination for Appointments, 719 }~I} .IHHat I N0 IJS1'UY ( BmML~OliloAt AND DtSTIUO'.r l>KcTION) : Development of the Wheel, J. Wright, 661! TliJ; I NSTITUTION OF 'VEI.OINC l!!NOlNE.t:ltS: Solution for Removing Scalo from Chromenickel Steel, C. C. Hall, 707 INSTITUTlON OF RAXLWAY SIONAL AND Tt:LE· O:RAPH ENGINEERS : .Annual Dinner, l\Ir. A. F. Bound on American Signal Engineers, 669 Ro.ilway Signalling in H olland, <.:. J . do Vos. 541 The Thorrowgood cholursltip, 651 I NSTITUTION, ROYAL: General Meeting, Elc:.ction of Chuirmun, 635 General 1\Ieeting, Election of 1\lembors, 607 Grant from Pilgrim Trust. Towards R eeonstruction Fund, 691 Programme for Novomoor uud Docombor, 426 I:-~sTJTUTION, SouTu AnnCAN, OF E~OT· NEERS: 1\fr. W. S. Car-r, Hotiring l 'rol!ideut Volo· dictory Addre1<s, I 73 SOOlliTY, ENOlNEERINO COLF.INO: Autumn Meeting o.t Burh ill, 328, 383 I BOILERS : Babcock Boiler at. Government ]'uol Testing Laboratory, Ottawa., 369 Boilor Explosion in Alo.bo.mo. Plnuing Mill, America., Curious, 456 Boiler, Lo.ncashire, Explosion nnd RoporL, 679 Collapse of Combnstion Chamber of a Boiler on o. Steam Drifter, 39 Collapse of a Furnace Crown on o. Sto&m Trawler, 39 Explosion, Boiler, on SmaU Cargo Vessel, Engineer Surveyor-in-Chief's Report, 511 Explosion Caused by Failure of Blow -down Cock on Vortical Dock Cmne B oiler, Comments by Enginee r Surveyor-in-Chief, Board of Trade, 623 Explosion of o. Boiler Blow-down Pipe at \Vinsford, Board of Tro.do I nspector's Report on, 281 Explosions, Boiler, Failuro of Solid·drtt\\ l l Copper team Pipes, Engineer Survoyorin-Cbief's Report, 697 Lurge-cnpacity Babcock Boiler for Protorit\ Power Station, 341 Pulverised Coni Boilers at N'Kana, Northern Rhodesia, R eady for Service, 597 BORDEAUX Landing Stage, New Stago Constructed by the M.A.N., 265 Boric Acid Discovorod in Water of 'l't~chokro.lt Lake near J o.lto. in the Cri moo., 483 Bouldor Creek Dam in Colorado, 121 Boulogno, l>ort of, Dill for lmprovomouts Approved, 65 • • •• xu • INDEX. Hm.. ~ and ('utltK•r Tuh(l )1111 t o bo B1111t for Cent rol lndu~trtol Lnborl~tor) for 'l'r~t in~ nnd •\ llll<'omh~ . \ nwru·nn Bn\...... Ltd., l 3 Pn'!Sm~ Incht~l riul ;\lnc·hinrs nt ~nnking. :l!l ('ht~in. J.ank or. from l'ort~moulh Jl nrbour BRIDGES : l)pfl•nrt" l'rt•-«•111t•cl to tlw Hoyul l ' nilc•d Xcr• 'I('(' ;\hN'\1111, lJl'j HruiJ,:o• .\c•ru,, ll t~ft(ll'\. llollh11111, Eslillllllc·-< ('lmnnl'l Fl.'rry, l'ropo~ul h) S tr Eu ... l!wo• 'l't'llll\. rur ''· 117 11011 d ' t-:yll('llllrl. 117 BrtdJ.!" •~I htnc·olnfllll ', l't~rlmuwnltlr~· J>lnn -. ('lu~n·onl fnun Brat ish Otuntla l'~c·c l n~ Fut·l fur I>PJHI,tlt•cJ fur, j(lj ~lot or L<lrr"'"· :lfl Ba·ad~c··hlllltlml( J'ru~"'"' " '"' uf Qctt·l>~•c·. Pro('l111rltou, ~Lr. H . C., .\ro\CII the \rldt'UII:I from " " ' ' ' " ' (lU\1'1'111\11'111. 11 :J t hi' 1 [ou:.t• or l'ollltnllllll 011 H<'OJINl ing or lhul~ot•• 11\c•r l>o~nuiH•, t>o•t'hltlll In Cunslnu·t, 7117 l'urliunwul, JS:l ('h<'llclc•roh Dum, OpNIIII~ nf. 11 Br11l~•· 0\l'r F11~"'' ' H ,,,.,.. l'mpu...••ll. U~ :l llt·ulj.!t' ""' r the• Ottll\\l~ HtH•r, J'h1us Xcm ('hi nt\ J nqtitutCI uf l"<·if'llllfk ~~~~111\l;<'lllt•nl lnllllj.!Urtltt'lllll Shl\llf;lllli, :?:!7 ('omplo•lo•tl fut ''· I I 7 llndJ.(C' tu l11• Built .\ l'lu,.,. )lout h or (:thpi• Chiii('M' (:o,•erHIIH'IIt 1\ncl Sun <'YI! rot• 'l'\1 0 x...,, P ort ... :1!1 Bt\'(111, Q1H'I wr. I :!7 " BrtdJ.(c• ... " A Ft'" l·:.,,.mph"! or tho• \\'ork ur ( 'hill<l-'>tl t:ovMnttlCIIII· Orj.!l\tu"t' Fudoa·ieH I o Dove lop D otMst it· l ndulSl ry. •18:1 1\ J>iono•<'r Firm 111 I hp Mmnthtc·l ur<' of Uhinollo Minist.ry or Commu.nic~tion.~ Pr·opot!Ot! ~l••c•l und ~l<'t•lwork, 5!11 AboHt.ion or Shipping Pri,•il<"g<'s to Foroignort!, Ba·idJ.(t ~ ~~ r!'lll(lftt••l•'d on thc• 1.-innnh('r 3RO .Jun<'lion 1\ntl 1\bc•a·dc•l'n ~oction, J73 oitl'd B a·id!:I'H, T" eJtty -<•ij::hl Nc•w, to "'' t'on- Ch romito, Importation of. into th o 'lutes, 12 1 structt'd ll<' t"<'''" Blo<•mfonl t'in und Bll•n· ('ity t\nd Cuild~ or London l nHitlnlt'. Ft•llowlwiu1, Ornn~t' Fn•c• Slutc•, fill ships C'onfMrNI on Promi n1'11l P<'opl<'. 14 7 <'hnrinll <:ans .. Hrul~c· . . \ppomtm<'nl nr ) Jr. \\'. \\'. (:ric•t·,.on unci ~!r. Jo:. F. ('. 'l'N•awh ( 'II'V<'lond Oo<'kyo rd, M idcllt•Khrou~h. Closed, 5(;:'; on J..('.('. .\ eh t~llr) ('c•uonull••c•, :111 t ' lll',.,t\)ll'lll-c• Ho1~, 1-:•lllnttl<'ll <'ost eo£ lit iclJ.!•• COAL. COKE AND COLLIERIES : .\t·ro"'. :!1!1 ('lo~\11'1' )ltulo• cm llo:i.!h. 1.;,11 \'1111 '""11 ~lt·o·l .\tut•ritnn C:oko O n• auo f11r Hu ...... m, :I ll .\N·It. r.:;a Hrown ( 'o11l Bri(Jtu•tl o'H ) Joy J{eJ>lllt'l' Bluc·k C'o,..L or l'ropu~Ptl Brnlgl• .\ttl>. ~ 1lw T•J!ris <'ool in \'iclorit~ for ull Purpoq<'~ 1-:'-<'<'Jll. ot Ht\!(huod, :?5:l Cas :\lukin~. 67!1 l'trst ~pon or Huth\l\) Bnd~·· OH•r Gourilt. CnrdafT and .Forest of Dc•tln Al'\'tl, Frt'('(lom Hl\ t-r, l"outh .\frt('t\ , 1.1\tiiH'ht>d. 623 from A('t•idt.'nt. whoru :St<'t"l H in~"' oro l:H<'d Fort Lt'o Stt~pNu;ion UrtdJ,:e. ::\'ow .)en«'y. for ~upporl , In<'rNht'd l" ~ of SI c~ l Props, Ncarang ('omplt'taon. :?(;3 399 (!o\ Cmnwnt of Jlrilt!!h ('ohunhH\ t'Oill!IU<'f Co!ll Dhwovercd by Borin~ nl t'onlbrook, Eno<'l 111~ Hrad,::o Acro Frosc•r Hi' <'r, 45.i oul h .\fri<'a, 707 Ho\\Tah BridAl' Commtllt'<' Appointl'd, 161 Coal Gas Plant in \ ' uncouver, Ord<'r!l Ploccd I nt ernntionnl T oll Brad~<' t o ho Pl(IC<'d ,\ cro:-s in Or<'nl Oritnin for, 11 t h(\ H io (: rondo Bot \1 et'n T ""' " nnd ) £~'' i<'o, Coul Mcnsuf'<'~ Nl'nr lny11ntu<', Rt'sult or Pro:! I specting Ope rat ions H!'\'l'nls. 63 1.-ltnj.!t'nhurJ!. l>t•Hirul'lton of Spun of Old Cotll Min<'s at, H cigon. 1\fnnchurin. Estiml\lod llrid,::u nl, I I to Conloi n 150 Million Too." or Coal. 2G:J ~<'"' Bridge• 0\(•r llw PNarl Hivor nL ('union Coal Output nt. t.ho i\lin<'~ in C rN~t 13ritnin for to lw OpN\N.I in Fc•l>ruary, 19:l2, 281 Wcl'k gndin~ July 26th, 1930. 177 ~ ''" Bridj.!<' 1o bfl t'on!ilruclNI ov('r t lto C:lyd<· l'onl Pier Complol ed ot. l"l~ncltingt!lu (or t\\ .Jnmos-Rt r('ot, <.: lo<~gow, :?81 South i\lunrhurit\ Railw11y Compnny, 560 ::\'c•w l t hino Dridflll t\t Wi<":<dorr. for Fol'!t Coal Production in Now Mexico, 1929, 341 Htailwt\y Tr11flic IJ<'I weNt Cologno and CoAl ~ hipping Plnnt at Algoma, Conndn, 17:1 Huhr. 117 Cool :'itt~ilht'!l t o bo Errctcd nt. Aylton to Xtlw Thom<'s Briii!(•'H •\l Jl t\IIIJ>Ion ('ourt ond H t\ndlo Output from l111wo rth Colhory. 427 ChaRwH·k. OrdM.c l'l ncNI for. I:! l Coni Cuttor.c and Limit. or IiordMSS or MotoXipt\\\ '" B rtd~.!l', Compll't ion of, for Conudion rial thnt can bo (;ut, 6:!3 I'Mtlic I't11tlwny, 8 1 Coolllt.'ld Discov<"rod in 'outht.'rn 'ftllt~tU\· No' el Cois....olli:l used ror Pier,; o£ J3ridgo •\ t·ross yikt\, 541 t hi' lirn~o ... R iv!'r in Tt'Xt\S, 121 Coke, Th<' Dry Qu<'•whing or, W. 0 . Ht•llkin. Pl'nob~cot Hi"<'r. Su;,pconsion Bridge to be 93 Built. (h t'r, 3 1 I Collrclin~ Coni Dn11l in H i<'kiNon ) Join l'ropol!<'d H('('On>llrll<'ltOn or .'winj:( Bridgl' Colliery. , outh Yorkshif't', Xew Plnnt. 0\t'r ~l tll\\ nil Doc•k Ent rt\n('o at a DifTort"nl I IUilnllcd, I 2 l P oml, 6:?:! Lorgo Coul \\'nslun~: Plant ot the Clnirton Propo"t•d StiSJX'II"ton llridj:(c• . \ cro.--. 1he By-product!! Coke \\' ork'!. 3111 Hl\t'r Tnmnr 1\l Torpoint. 121 Li~tQ Cool Ncnr E>~tovon. So...kutchcwun, Huinhall Sk<'" .\rd1 Brtdgo Built In C..:corgl' 0\'t"rburdon to bo Stripped by Jo:x~:avalon<, Jo'mdl<'y. :HI . 427 Stm Frnnl't~c·o , Hrtd!-!O tu be.• Built .\<·ro~s t lw )lino 'l\foly R<'St'Ur<'h, Co-operation lletwct.'n (:oldNJ (:ato, :lll Cl'l.'nt. Britnin and Bl'lgiwn, 11 •• Sth l'r" Bridge>~ Across the .\llogh!'ny Riv<'r ~Linimising .\ c<'idonls in :\lin('s Due to Ovor· at Pttt~hurg. 2l'i:l windinA. 399 Siusum Bay Rnth\1\) llrid~c. Opening in Ouqmt. of Opt•n-cut C'onl )lin<'s '"the H eigt~n Novt'mhor. 311 Dastri<'t or l\Jnnchuraa, 455 ~llfYC')'Ors ror 1\('\\ Bridgt' (h•t•r llw St. R<'corcl Cloimt'd by tho i>Niltlt n Colliery in Luws•cnro ut Cornwoll. Ot\lnrao. 12 1 Rnitoing G532 T Otlll or Cool in Ono Shift. 281 Sych1o~· H arbour Bradg<' Cro~t'd by Lortl He<'ot:d P roduction or llll6:! T onq or Coni from .M urton Colliery II<'M , Ol\hnm Horbour, 5 1 I nnd Lndy Xtonoh•~' ""· 17 3 \'111\l Hiv!'r B ridj:\O Opl'tWd ~;t Christittllll on Resumption o£ Oporntions in Ch(lltmor Cot~l tlw ('t\JW .)ohnnn<'Hhur~~; Hou te, 227, 341 )lint'l, ChitW>'!O .!!:a.~ I Mn H11ih11\y, <I 27 Wubt~.sh Ht vo r Bridgo to be Ht'plut"cd by S t el.'l P rop Support., for Hoofing in Cot~l HcinforcNI ('oncrolo Br·i d~c. 670 )lines, 597 \\'idot\ing t)ntl St rN•g t honing of Xcol!!\\ ood T reatment or Coni with Ul'll'l.l•no t"11dor· Bridge, I:? I Pressure. 311 World Production or Briqu<'llt'd Fuel, 360 DHITlSH -A FH H.'.\ I ndUJit.riul Do"olopmcnt Exped1t1on. .M ot or ing ]<;xpl'dition PlanMd COBALT, Prodnt·lion or, in Cnnndu. 166 for 1:!,000 :\l tl<'s' 'l'rt•k an Africn. 216 Cobf\1 t · t ungsLen · <'nrbidl' .\ lloys l'sed in Drita11h J.tght ('nr !nd\llltry 1\ml the Sponil'h )fachinin~ Molnls nl Ji i~h SpN•d. 39 Car Market , ,\th·antoi.!<'S or, 253 Collapse of Steel Frameworlt or C:ymnMium ut Dritish-mado :\lot or \ 'nu Run.J Exhaustive \Vest Chester, Pa., 321 TrioiA Under Load, I:! l Colombian Co,•ornmNlt to Complete lhl' Hol'o.s Briti&h Polar Explorataoo Holit· 011 Exhibition do Coni~& Project, 651 at Control H oll, \\'cstminst!'r, 39 Columbium, Properties or, 51 1 Buildrn,:: ~loved Bodily 300ft. m P•tt-.burf!. 227 Commercial :\liRSion t o 1 ho }'or Bnst, The Duildmg Rl'lil'Orch Honrd, Tc<"hntcal Pn,wr on Co"ernment Sending a, 165 Hydrated nnd l ' nhydrntcd J.nnt> in Concreto Commercial Uses for Anhydritc, :?Ol ~lilrtures, 21i3 Commission Appoint ed to Re,·il>O C'nnudt\'>4 Butlding, The ~rarshaU F~eld, (;tanned to be tbo Patent l\nd Tmd(\ Mark nnd D<sign .\ et, 399 J.orgl'st Building in the World. 93 Coml?osition o£ Anli&'ptic \\'nsh for Otl Dl'rmtt· Buildings, ' l'ho lJbO or Hollo" Tile'i in J.ondtitas, 253 b<'orin~ Wnlb or, Protest by tho BrickJaycrs' Congello Power Stution or tho Durbnn CorpomUnion •n Chicngo, 20 I tion to bo Extended, 6G Ht•reau lntt.'rnntional do l'Alummaum. Inter- Coal81ruction o£ Olympic S tndi\tll\ nt Los Anj.!t' lel' national Compt"lition to J.::ncourago IJ\\'Nitors for 'I'ent h Olympind, 36!) to Study Aluminium nnd Light Alum inium Conver11ion T t\bles. Useful to Ex<·nvatinj.! Engi ,\Jl oys, 427 neers, •l4:! Buri'ILitt$: or n ) Jonhol<' Uoor uf a Xtt.'aut Digester Copper Added I o Hupidly (.'ooll'd 1A't\tl fIll · in u ).' orltshiro Fol'tory, Oflicil•l HoporL,:! l prove!! Hc·~ishmco to ('orro>~ion by Xttlphuril· Acid, 3 11 Copper, B:~.tmction or, from J.t.•uc:l~t\hlc• Oa\•>4, l~xperimools ut 'L'uct~on. Ari7.ont~, <J :!7 Coppor Proport.ics in Northor11 Hhodesiu to bl' Developed, 483 CoruwuU ns o. Tin-prodnc·in!: ('ounty. 679 CA D~lll' :tl l'rmlttl'l ion 1\l Tmil, Hrtl ish Cost o£ • tt"am. Jo:lc<'lric nnd Otl Vt''"'' " Pump!! Coh1111lun, :lll9 at i'\It'nickvillo Low-ll'\' l'l J>utnping Slt\1 io11. ('ulcium )Julybdl\IC, 'flw l'rl•ptll'lllion n11d l"so .\ ustrulin, 541 of, 281 Crml(', Nou-propclli11g Floutmg. fur 'ft\lJic Huy ( 'nlc·ult t~ Tt•t htut·•tl St·hool, ~umlx.•r of :)tudl•nts li urbour, 3 11 I JO l\1, :lfl ('nrmdll, ('ltr•uut·nl J'roduc·l'! Vuri111,: J!l:?!l, 11 t'tmt\tln, (:t.'olo~ical Sur\c•yinf!l'urtics iu, Hili (.'unud~ HC'II\tni )Jen "ith Sp<'•·iul Scientifil· Trnimnc, (i,j D ('anuda, 'fht• l'niH.'I"l!ltll'S or, und tho Export or Tnll•nt, 65 t'unndaan Centrtll Po\\cr Stations, lnvt'stmt>nh; D.DI .\ cro.,..'i the North St\8katcho'H"' Hi' er, Proposal t o Build, 117 an, 1:!1 ('nnadinn <.: OH•rnmcnt't~ Out Ill) r or l" ncruploy- Dam, Owyhl'o, Concreto Arch 'l'ype, 227 Death or :\lr. )lnx W ail!>!, CH I m!'nt l{t•lie£ nml n <'li<>£ Work'!, 651 ('unul .\<'rO~ U11• Stmit l't•tlinl!ul,,, Propol!<•tl, 11 Dcop Oil \\"ells an lho, unta F6 ~prings Oilficltl, 117 ( 'unol, l'l11p. l'it•hPtiiO for, Bc•l\11.'<'11 Nrwct~'illc· Dl•moutiuu nml Ht•c·m,,.tt'lll'ltuu uf lhulllin~ in nwl ('na h .. J.,, J I 7 ~ow Yt•rk Only t-\1'\. 'l'l•ar.;, 3Gl (,',..,tJt-forcl, Norumul11n nutl Dt><tnd :\li11111j! t~~nl 'l'cchurcnl 111 ... tatull' Opt•llcd l\L Wltit,,ooll, l)opogils or ::iolubl•• )'olo..o;lt l)a,l'll\ l'n·d in •'cveml Di11tri cts of Hu.c.~iun l'<•ntrol AHtt~, :Ju() 36!) l'austio Sodu I o bo Mun\lftl<:lurcd on lhe Krebs Dctactiou or Dofocls in W eld.-! with Proctitioner's SI nndard , Lethoscopfl, 451; SyRlf\lll at. ll nlclc•n, N orwny, 48:1 ( 't•nl l'nna) of ll olllUVt•r Tc•c·hn ic·nl Jl iJ.(lt :-it·hnul, Orw<'lopmt'11L o£ T ul icori n H 11rhour. Tc•nrl<' ''" Cut· No11 D rotlgor Called fo•· in l~n{{l t~ntl, 3!Hl 30 l\•ntml (; Utll01118 Aclminil!tl'U.tiun or Chi nu. nncl Duvi<-e for Dii!covoring nnd HoiHmg :)unkl•ll Submarines, 341 12 -~1ilo Li:n it on l'orriloriol W t\tCl'd, 39 c 'l'm: 1•::-.ul!>t.t-tl hilt,;\ Ml'l't.t.'ll"1, .J \:0. :!:l, l!l;lf, ( \ l)i uauood Die. C..: rl'at He~•stunt'tl to \\'onr or, 7U7 Dtamond or 133! carnts rouud m tlt1• Oru11~t' Riv<'r Oij:tgit\S"· 9:l D111mond Out put lncn•t\'<('d 111 t h1• .\ n~olt~ Fi<"lds, :399 I> it· h luro .J)illuttro . .\lc•t htult• Smtl\l•lt• rua 1·:' · ttnguishi ng i\h•t h11no Flttn1<'... 17:1 J>t,.<'O\'t•ry in ~orth c•f ~~~""' or Jo:\.1 t·n~" o llo•d,. vr Pot•~~h, :1 11 l>i><CO\'('I'Y or ,. l>t•po.sit of Lit hill m Oxilh• Ht>· port <'d from Houth-\\'t•st. Arri<'tl, :?ii3 Dc\'l'rtinf( lhCI }iogut.'nny Hi,l'r t\t ('hu iP·I\· ('nron, Quoh<'C, (or I ho All-Ot\ l'owl'r ( '0111 pnny, :!8 1 Dyke Ut•l!l roycd hy :Storm nl \'t•ml (~·. r.:l l l'L 01 ELECTRICAL MATTERS (rtJutiuuctl ) : l11lt•rnnt iotml l'ltll i,..trc,; ur Elc<·t rw l"upply I :;.i Ltll')-!1'~1 Fl y-,dt<'<>l Motor <.l t~~tl'mt or Ordl•fl•cl hy tltu I llinms l"tel•l Coutpnn.>. :!:!7 Lar~c·~l ) (ulur (:oncrotur fur Xuppl) in~ l'o" <'r for ;\lutur" Drh·iug u Uluo111ing Mtll, 5 11 ) Judru>< l'ru\ utt·c lu~" J·: i~ht('OH Tcm ' "' Pru. 'idt>d "ith J.:lt'c:t ri<-i ty :Sllpply, 6:?3 .\1 onchcsl P r ('orporut ion {'ublo ( '11rr~ "'J.! J•:lt'ct ric· Bull <'ry Yt• hi<"lo, I •J7 X o\!'1 l\f!'t hucl or Y<• ntiluling 11 C11hlt1 .J 11111·· ltOil \'ttult. il\ (.;),~~j:!O\\, :!.j:J l'npulo~rity or l' ~<<' uf El!'l'l ri<-it.v i u llll' , \J.(rt . c·ullurnl Aro•t\ll in M •V>~OI'\', :?5:J l'rupn~>nl ltl El<"cl rify I h(l Hu.tlwt\y llo•t "l'l'll Bal hnu n.utl Portugsll•l o, 3!19 Prnpostld Elect ric P o" e r Gcn<'rt\1 icm l'htll t. in ::>outltc t·n Ji' iang:!\1, 541 E H t•<·on~t rue! ion of l!:lccl ri c l'ower Plnnls o t. ~prill!(l! nnd llt"noni, South Afri<'n. 341 EC..:ONO:tl!(' (;ri><os or tho Futuro Folio" inj:( n Huhbor \' ulrnni~Wd by )ll'nn>l or 'l'rinit rvPeriod or Ovc·r-production. 217 bcnzill() for Etcrtricnl Pu rpo~<'S, 569 Economir Dovolopnwnt or Trnnsporl nnd l~lt•<·· ~Oit• or Northsll!'rton .Elcclririt y \\'orks t o 1ric Supply, ~I r. i\lorriRo11's ~hi I <'IIWnL in 111(1 t lw Clo\'colund snd South Durhntn El rc-t rtc· H ou.so or Commons, 57:! L il.!hl tllld J'O\\ (' r ('ompony ror 1:16,51111. :; ll ·~d iiC!Ition for Qunrry Bn~inN• r,c ot t h•• ltllJIIIrilll Sc•c·tmd 'l'rua L~flli.-<><ion Lino £ro111 l'o\\ t'r J'lnnl ('oll<'J::e or 'r<'chnolog:y, J.onc lt•n Lllll\'!'n<il y ..i I nt PUII!:l\n, Qut' l)('l', P ht<'<'<l in l l""· l l'il'i gdword>< . .Jotn cs Han•oy, lh<' l.ttlt•, or tl11• ~lmlum Po"cr Pluut. Supply o£ ('urro•ul Americ·an Bridt,:() t'oanplilly. 2u:l clurin~ April. 19:111. 9:1 EfTect of Ri,;in~ 'l'l'lliJ>t'rtlLun• on ln!!ulnllll~ ~' ul'11rOIIOU.S Ell'clrit· ('lo(·k,. I o lw ~lnllll· Qualities o£ Cor~mic MatoritllH, 455 . fncturecl in Cu.nsdo, 63:? 'l'un~<ttNI - Iilnul('nl Ltuups in the l'nil<'tl ELECTRICAL MATTERS : ~tnl<'s. S~;lc or. 11 Art" Ltunp Not ~UJX'l'l>CU<'d hy :'oitta·u~t•n· l' riiJ.tlltlyttn C..: on•rnm('n l ConsidM,. li t it il!t~filled 'funj!Sl('ll Lomp. 5 11 1 ion or \\·utcr R t'SOllfC('S t o Pro\ ido El<'<'· Automotic Arc \\'eldin~ in tlw Botll'r lndui· I ri c 'u rrQnt. :u I try, G. H. Koch, 5115 l 'ttlisution or tht" DifTor<'nl Trmp<>ratur()" or .\ verugc Co!4t. of Electricity Supplit"d 111 St"l\ \\' l\l t"r 1\t Diffof'<'n t D<~ pths for thl• 'outh Africa. 25:l Production or El<'ctricitv. :Hl Bedford Corporttlion Proposo t o l'ro,•td<' \\'ork Comm!'ncod on 't:rid ~ub-sltl.tion J~lt"ctricity to \'illug<'~ by llnd!'rj:(rouncl Adjocont t o Hibblo Power Htution. <1 5ii i\[ains. :390 · Contrt\l l!:loctr icity lloard, Sir H11lph \\'l· d ~t>· l•:l\<..:1 N l·~ t::Hl:'oi'G );;xperts and Prop O~>NI 'l'un11ol tmdt'r Strnits or C..:ibrultor. I :1 wood 's Appoint.mcn L lo. 427 Company F ormed in Conod11 to i\lonuft\t'l \11'(1 Equiptnont. of D11iopcr Ri\'l'r H ydru-<'11'1'1 rw J>h\nl, 4 8:l Synchronous Eloct.ric Clockti tmd Allied Eroc tion or Hoi nfor<·cd t;onc: rotc l'ipl' Plonl Productt:~, 632 nt Monti'<'Ol, 48:J Completion o£ 'l'opu.xlt,po<· Dnm t\nd Powor Houso. Moxico. '~27 Contro.ct P laced for t.I\O C'onstr1wt.ion or t.ho EXHIBITIONS : British Empire Tn~d<' Exhibition nt Bn<'nvs Abitibi Power Pltutt, :?81 Airc~. 19:ll, 147, 21i:l, :!!):J. -1:?7: l'rol <'l' · Cccdil on LT rbt\n Cot•n<·i l's Appli<·llt ion I o tiH• I ion or aJI Putonl:l, 'l'rudc• MttrkH. &c· .. ].;I!'Clricity Commis.<;iOilt.'l'l! ror 1\ Stwc·it\l 4:!7; Shipping Jns tru ('lions to Exhthitcm•. Ordor, 1n :?93 Decline of Electri c Tnamwnys in South Briti~<h J ndustriel' li'oir, 193 1, :19, 3•11 , (i!l7; Africa, 1:? 1 Enlurj.!NI Floor Spuco ot. Olympiu. :l!l : D csign or P ole Liill'S to Curry El<"rtric Wir<·" Birmin(.(hnm ChamlJt'r of Com nw rct' Oror Cables. 707 ~unisin~ H eavy ection. 39 ; Brolld~<ho<'l D o,·er Town Council .Hojecls n Propo~ul to of Pict urcs with T t"xl in Appropriul<' Draw upplil's o£ Elcctri cit y from tlw J.nnguogo Issued to ){ost. COtmtr il's Contra! Elcctricit,y Board, 253 .\hroad, 597; Lnrgc Numoor or ::\'ew Jo:, . Dry Batteries to bo Manuft\t'lured by Dutch hibitors at lJirminEtham, 34.1 ; P rospcclu11 Firm in )lelbourno, 623 for Intending Exhibitors. 39 Eost England Electr icity Sl'11omt.' Adopted Cnnndinn Nut iouul Exhibition, Building to by the Central Electricity Board, I i3 I><' Constructed for Displny or Colli:ltn•l·· Economic Averl\go tllltain t.'d or tho Po,~or lion Mnl<'riuls, 311 t on Power Station of the Super Power CordifT Engineering .Exhibition, Prof(rtunmo Company, Illinois, 65 for Opc11ing Events. 5 11 l!:dmonton Council Hands o, or its Pow!'rs J~x hibitt Oil or Chemi cul l ndul!try to be Jl cld for Electricity upply to tho London t\nd ut T okyo, 369 Homo Counties Joint Electri city Auth<'· J~:.J1ibiLion or Mc<'hunical .\ids to .Edu('l\lion rit.y, 2ii3 l•t the London School of Eco11om.ic>!, :!0 L Electric .\re W elding Process Usod to Con· C..: r()nt Britain )AJnds the W orld in Chomi ct~l t>tr.Jct Large Swimming 'l'l\nk, :!53 Ex hi bi tions, I 21 Electric Batter ies, Tho ManuiacLuro of. 80 Intern t\tionul Exhibition to bo t-l !'ld in Electric Cookers, Lurge Increase in U11o or, Elizabotlwillc, B elginn Congo, in Mt~y. at Bulawayo, Southern Rhode'lin. ()69 1931, 173 Electric }'urnu.ce~. Wild· Bllrfil'ld 1'yvo or, luternntionnl Rhipping and Fi t<hing F.xhibiLttrgest in )t;uglt\nd, 560 tion at Sun 'obustitm , 2:.!7 Eloctl'ic H l'adlignts on all Indian LocomoLund J mprovomonL Exhi bilion in Czodto· tives. 147 slovokia, t 9:H, 188 Electric Hoatin~. \\' hen, is on E conomi t Model J•~nginl'<•r Exhibition at W ostao.inRt<•r, PrO{>Osition, 651 :?53; Gold liit'dul Awarded to ~fr. G. Ji'. G. J~leetr•c Traction Ex,orimon t.s '' ith Bnttory D csvign<'s, 360 Invented by Dr. Drumm, 707 ~l'lhorl ands Indust ries F t\i r, TwN\I y- thinl Electric Wire and Cablo Factory at BrockDutch Jndus trii.'S Fair ot Ut recht, 436 ville, Ontario, to bo Extended, 5 11 l 'hysical ond Optical Societies' Twent y-fir,.t Electrical D evelopments in Ceylon, 679 Annual Exhibition, 398 Electrical tatioi'IS in tho U .. '.R., (;96 R oyal Agricultural ociety of Englnnd, 1931 Electrically Operl\tcd Plant. for Cleaning l'ihow to be Held at \ \'arwick, :?:?7 1200 Borrels a Dav at Purflt'ol, 511 R oynl Socioty o£ Art'!, Exhtl>ition o£ Work .. Electricity Comm issioners' Official R e turns, l'iubmittcd for Competiti on or lndu>~triol 93, 20 1, 476, 597, 679 Designs, 14 i Electricity Commissioners' Returns Pro,·c Crcat Increase in Amow1t or Jo: lc<· tric ity EX PERIM.ENT.\L Tank )(uy be Butlt 111 Gonorntcd, 20 I , 341 )Jadrid by lht" Rpunish <.:o,•crnm('nt, lli Elect ricity Commissioners. Public Inquiry J·~xpert, Tr&ll81ulors, 11, 3 U, :; 1 into tho App11cotion of the ~letropolltt\n Exploston o£ •~ lloiler Blow-down Pt Jll' ut Borough of Fulham to Extond Ccnornting \\' ans ford , Bou rd or Trod<' Inspector's H<'port Station, 651 on. :!81 Electricity • upply Commission or 'outh Jo:x t,>lo:~ion. Boill'r , on Small Cnrgo Y <'SSQI, Afri<'l\, Annual Report, 281 :Engineer urvoyor-in-Chie£ R e port , 511 Exports and Import,s or Electri cal ApparnLus , E xplosio n Causing Failure o{ toum-ju.ckoted ~[achinory and Material rrom tho U t\1 tod Copper Pan, 707 Kingdom d\tring July, 1930, compared with l!:xplosion o£ Economieor, Engi ncor-in-Chior, July, 1929. :.!01 Hoard or 'l'rooe, R oport, 483 Exporl!4 of Electric Gonorl\lol"l! e~nd )loLor~ J~xplosiou o£ l:>t~fot.y Vnlvo Fitting or a };<·otti11h from ltu.ly thwin g Firs t T hr<•o )lonlh!! or l:l op.(lor Hnrge. 651 1930, 17:l l!:xplostou 011 llourd ::icotLish H opper llM(.(•' • Ell'ctro-deposition of Load-'l 'ht\llium Alloy11, Olncial H op ort, ·l55 427 Explos ion, Boilor, J."ailuro o£ :)olid-clmwn Electro-tcchnical Industry of I he U.::i.~.R., Copper tiLe(lm Pipes, Enginee r S un•oyor-in· 623 ('haef's Roport, 597 ElccLro-weldin~ )Lnchi•w ry in l htssitl, Poi!i· lion or, 651 J·:loctrolytir Copper Ht"fi nury nl s, urdlt.I\'Hk, Lt~rgo-capucily, :l<l 1 J.;liminutioll or J:'olo 'fop or Cro:>S·lUIII Jo'ir<'s F on Transmission Linos, .; 11 1-'ivo Turbo-genemtors o{ 77,GUO k\\' for F .\( 'T O it \" fur ~ltutufa~:luro of PaiJ1I >~ cuul Doiopor Powor Station, 623 Ea1111nt'ls l o be Erected ~l·ur Duono~ ,\tn.'~. (.;oraoan Electrical ~ lnndards nud ]{ ult•>~, :?:?1.1 Gmb or Clalllllhcll B\lckot, Opooed and Ft·rl th~>er ~lt:o..tiiJ! Plonl t o oo Erect ed ut, (;JmrClosed by an Electric Motor Mounted lottclo" n, Priilcl• Edwurd bland, 5U9 Directly on tbe Crab (Erie), 93 Ftrt's, Loss Through, in Great Brttuin and IroGrompiun Electricity Schemo, Init,ial \\'orkt~ ll\nd, 11 Arranged, 564 Flitch Frumeg for \ '('hicl('s Out of Fo.:.ltion, hut {:uildford Electricity l "udertnkang Acl'ount.c, t~li!O ·sed i u Con.. tnLcl ion or B1tilding$, 5 11 173 Fluo l>ust Di~t~po.~it•on. Engli~oh t~nd .\mc rit•tln l•: nJ.(in('C'r><' J\tlf'nti un IO tlw J>rohl"lll u£, :!Ill 11 l't\''Y"iuo Layer 011cl Othe r l.tt)· ••r>~ ( ·,~Jitlhl u of H oOoctiug ~>nd Hl'fm!'liiiJ.( Jo:lo•c•lrtt' l.-11!(. S11u" "'"' In •, L'>o~• uf Dotunalvh 111ttl ~~~l t \\'twcs uL Diff~rt•nl Ht·i~ltls, :Ill Dua·i n~, (i:?:l J ltg h -powet· Tmu!!tllission """' Jlt•l " 0'"' lo'o und t~l•un ,. ur Fon l F ttdo t·.)· ut, l>ugl' lllmttt, :J(jl) T oronto. Ohio. und .l!:u~l .\kron , 1 u lit• Colll:ltructed, 45(; Four .Power :Stutaons Hot we en ::>hunglmi tllltl H.ydo Corporation Rocoivod .1: I UtlU out o£ Nanking, Proposnl to Build, 121 ProfiiH (a·om lho .foint EIN•tric·ity BoMcl, "''"' ' HcSt•aa·•·lt Bonrd ('unstit ut.od in 1-iout h 173 ,\Ct·i<'l~, G97 l nstrwnont Cluitucd to .l!::.p~·d•lo lnnu ll\t.iun Fuol Hoij()l\l'uh !till I itulo ~nuctiouod by Lhu Tests 011 Electric Cabled, I:? I Go,•cmment o£ South .Vriea, 39 • • Tu.& INDEX. Ul'PL'&HEST, JAS. 23, 1931.-{VOL. CL.) ESOlN'EER INDEX IRON AND: STEEL (continued): G (:AJ .1 ,J UM, The Properties·of, 707 }JolderR, Tnvestigat.ion liR to Whether lA~rge <:onaumnra iu Bir-mingham should I nsto.ll, 6G Uo.R Ontptlt in Grco.t Britain Durin~ l!l2!l, 26 1 (!MC0\111 l~xplosions, R<'soo.rrh hy Mr. H. J.owi~ into, 399 <:nt int>l\\1 11 yclro-t>lectrio Pow!'r l>lnnl , Con· sth1ction of R!'n•nt h Unit Comm!'nt'NI, '107 (!O.\IIl:ing Flow of C'olumbit~ Hiv!'r m America, 707 <:cevor Tin )fine. St. J uAl, to he Glo'!cd Down, GOI'I ;; I I ( !~>noratinll: Costs at Hudson, l\fn'!s(l.('h\1Aotts, Uic>R<'l Enll:in!'l-drivC'n Plant. 14 7 (!ln..qs Silk for H eat Insulatiou, Chanr() Br·othN-s t\nd ('o., Ltd., 4!l0 C!I uc> Pr·Morvati vo Dovc>lopC'cl i 11 •\ tn!'riro., "Orthophor'\ylphC'nol," 227 Gold 1\fino Disroverod NN\l' 1\(ustnnl<iang Stnt.ion, Chi nese Eostcrn Railway. 4 27 (:old :Mincs, Six Ncw, to Start Produc·tion on Ht\nd Botwccn 1935-1941), 434 (!old )fining I ndustry of M<>rion!'th<~hir(', HC'vivol of the, 121 (!old OrC's Concentration, New , chcmc to be Tri~.>d at thC' PorC'upine Mines in Onturio. M Cold Out put. from the Transvaal, 281 Gold Output of Canada, l::stimo.tl'd, 14 7 Govt'rnmcnt und Prices. Commitlro Appointcd by Federation o{ British Industries. 51 <:rnin Stom~<' Elt>\?ntor nt. Lethlwid~~>. Alh!'rlrt, (Hi C": r·o.ud Union Cam•l Compnny, llropoRMI Jmprovt'menls, 619 C:r·o.nd Union Canal Compl\ny, Propo~al to lnsto.ll 1\'lolor·-prop~:"llcd Bar:.t<'>~. :l!)!) (:rl\ml Union C'nnnl C'onlptmy'M D!'\ l'lopmrnt Sl'll<'rnl', t> I!\ H HA HVESTlO:R Thro!'!hin~ Machines ml\y he l.IRNI iu CrN\t Bri h\in. Combirwd, 227 ·1loli\lm J>lnnt n.t Amarillo, T<'Xr\..'1, Tho YC'M':> l'rochrotion at the, 2/:;:l :H elium, ProthH~ tion During i\lo.y at lho Sonoy, TexnR, Plnnt., 147 Hrnt Insulnting ll£1\t<>rinl, A Nrw Mt•lnlli<', 169 }l~>rbort.. F.. G., on ~itridntion Pro<'<'R~ for· Surfacing St<'ol, 11 llorsC'h<.-1, The L nte G1om~:"nt. L<'nvcH ;\fonry for Sl'ic>nl ifiC' Purposes. ();; J I i~hest. A l mospboric ShMI<' 'l'Ptol(ll'rnt Hr(', Hcwordod at. Tripoli, 3:!2 J hrdson·I\V('Il\le st.ation, T wo ~(\\\' St!'am 'l' urho-generators for, 11 J Iycl ro-cll'ctric DovE>lopmont nt. N or·ton l:lt-idgo, HiemonR-Schuckort Compnny to •'upply ::>urvoy to the Coyl on Government, :109 Hydro-oleotric Plant, 'Vork Start ed on the Abitibi Canyon Dnm for, 25:1 ] rydro-electric Plants to be ('on~<t I'IIC'tod nt. Sanhsien and Lungmc>n, :169 Hydro-<'l<'C'trio Power Dovelopmrnt. in <.'ant\C.IIt, 263 H ydro-elC'ct ric P owC'r Devt'lopmcnts ~orth of \'an<'onvCir, 3!)9 H ydro-CIIectrio Power Plant nt Hapido Dlnnr, Quebec, 6G H ydro-C'Iectric P ower Planl, Proposed on t lw J,iovre River, Quebec, 341 Hydro-electric Power Project. in. :Uolivit\, 201 Hydro-el~:"etric Power Hosources of Sweden, Ho.pid D evelopment of, 28 1 Hydro-olectric .Power SchC'Im<' at Aro.runi, New Zentnnd, Professor P. C. Hornelt s R eport, 455 H ydro-eloctrio Power Stntion nt Ponnti, Jtnl y, niL of 45,000 H .P. l'ndl'r ('on~ll'llrtion, :l!l!) F ord Motor Company Orders 400-Ton Tiltin~ Open-hearth Fumn.ce, 537 Covorn.mont Stl'cl 'Vorkl'l o.t Yawato. RNIU<'· ing Output of H eo.vy Rail!<, 679 CrPok Iron IncluRtry to bo Reorganised, G69 Iron Industry of .Tapar\ 'l'hreo.lonod hy C'hoap Pig Iron from Indit\, 4·83 Iron Ore Company Rrgist<>rPd in Swcdrn to Work Vahll\hlc Pepogits, 253 Iron Oro DisC'ovt-rcd Xro.r Dundee. Xatal. 399 )[nlleable Tron in X!'w Form, " J>romnl," Claims for. 3<1 I )fill _fo~ Produ!'in~ StC'C'I , 'trip SIMtNI hy Dlmors Stc>rt Compnny, :l:l;; X nt ions\ Fed!'rat ion of Iron and St C'<"l )h\nufnC'turorR' Hc>por·tR : Furnaces in BIMt, Pig I ron nnd SI <'!'I Pr·o· duction 1\1 Jo:nd of :.ray and June, 1930, 65 ; July, 20 I ; A\Jgust, 311 ; Soplombt'r, 4:!7 ; October, 697; Nov~:"mbr~r, 67!) Xitridation Pr·occss for •'urfocing Steel, 11 Observnt ions of Changes in >\Iecho.nicut Proper ties of H cmntite Iron from Tapping and Pouring into ~l oulds After Pa.ssin~ through, G23 Product ion o£ l ron t\nd Sloe! and their )[anufn.cturcs in Canada for 1929, 455 Pretor·iu. ~Heel \Yorks Contract, Brit oin to havo Lar~o Share, 707 Rolling 1\lill of Exceptional Size being Construotrd in America, 707 Stool CM!ting~, American BureM• of Standarus Study of tho Strongt h, Du<'tility o.ncl So\llldneRs of, :1!)9 Stool Ca11tings, 1-:IToct of L ow Tomperaturo on R e.'listo.nco of, to lmpnct, 399 Steel Deoxidiser "Alsifor" Placed on 1\Iarkot by Vnnadium Corporation of Ameril'a. G41 , leel, Prrtorit\ to Rhut R olling H ollow Dr·ill, !l3 !;;t eel Tnr>'R of G ro>lt W Cligh t J nst nllcd in Waldorf-Astoria Hotel, Now York, 3-1.1 Stool U~ed in 8G-."tor~>y Empire Slut(' Buildin~, Now Y ork, :!53 Testmg Ht'lr\t.ivo Str<•ngths of Ir-on Or'l'll:!, Methotl Adopted hy Arn('rieo.n llur•en11 of ~fines, 670 Time Required to Rodll(·o L1rmps of Iron Or·o lo Metnllio Iron, 20 I Use of Bent-edged Plate11 in Constru<·tion of Ships' Hulls, 455 IRRIGATION SchCim<' HurvCiyE>d Along Pon. gotn Rivor. Northern 7.ululnnct. :J.It Trrig.ttion SchemNI hoing l'nt Forw11rd iu t lrr 'J'I'IIns\' AAI, !l:l • J JAPANESE Wiro Rod Works CapaoiLy, 227 .Jeppo S~reet P ow<>r Slat ion nt J ohannosburg, JO::..:tensions to, !l:l .Tubilet' DinnN', Mntth.-w T.l'hnw nnd ('o., Ltd., G?:l K KELP Industr·y. lo bo Do,·cloped in W<>stcrn Ireland, 3 11 Kirkcaldy (las Dopnrtmont, Annual R eport on Working of, 201 '' Koool," t\n Alloy of Forrotitanjum, Cobalt and Nirkel, l?rov<'R \'('ry T o\lgh at. High Tompt'r>lt Ul'l'>!, !i 11 · l I IC'ERJ~ R G D otcC'tor to be Thoroughly TI'Rtcd by Dr. H ownrd T. Barnes, 281 I mproved Reflector for !lO in H o>lpitnls and Opernting T heatres, 651 Incandescent Electric Lamps on l~xhibition at R oyal Scottish Museum, 11 Industriousness and Good Temper of Chinese Workmen, 317 Instrument for Detecting Temporaturo DifforenC'es as Small as One-miltiont h of a :Degree Cen tigrade, 121 Intomntional Aluminium ComJ)<It.ilion, Address for Communications for, 630 IntCirnntionnl Congress of i\frPhaniC'R nt Slo<'khotrn, Tho Third, 227 Inlrrno.Lionnl l\fotor Boat Re~atta at Buenos Aires During British Empire Exhibition, 455 Int ornnt ional Tr·ials of 'l'rMtors a ud othor Agri. C'ultun\1 Mnchinery at Kra~tujova!', 121 Iodine from Kelp to be Produced in t ho Jr·ish Fre11 ~to.to, 483 I odino Production of, from lho \\'>\l!'rs of Bo.ku Oil Wt'IIR, 427 IRON AND STEEL : Algorna Steel Corporat ion, Proposed ~ew .Rolling Plant for Rails, 39 Annual Statistical Report of the American Iron a nd Steel Institute, 281 Rlast-(urnaces at K orch St<'ol Works in the Crimea, New, 121 City of London College, Lc<'turcs on " I ron and Steel," 265 Completion o£ the New 500-Ton .BlAst-furn ace nt tho Anshan Steel 'Vorl<s, China, 281 Construction 'tart.ed on Steel ·w orks of Dorman, Long and Co., nt Cermiston. S. Af1·ica, 679 Deposit of Iron Ore in U ral 1\lountains to be Exploited by Russian Government, 685 Deterioration in Manufacture of Wrought Iron, )[r. H. J .• kelton in tho lronmonyer, 5 11 Equipment of -xew Steel Works in Pretoria South Africa, 569 ' Bxprndituro on ReSt'nrch in tho United States for Rolling )lilt~:~ and Stcd J>lonts 597 ' gxpor t or Cah•ll.nised Sheets from .Japan 173 Ft\bricl\lod Structural ::>tool W or Its t ~ hi' J~rect~d in Gonniston, S. Africa, 59 1 . .. Xlll LAKE , 'out Storage Hoservoir, LargeML .,.\ rt ificial Lnke in Am erica, 31 I Land Leased in Corm any to Amoricnn C'ompnny with Object of Drillin~ for Oil, 369 Lan.tem Slides. Marshall, Sons and Co., J.t.rl., Cainsborough, 660 Lnntern S lide~ of Crushing and Convoying Mn.chinery, BriLish Joffrey-Diamond, Ltd., Gl 2 Lar~e Benzol Plant in Budapest, 121 Large H otCII 1\l :Marble ArC'h, Work Prorcoding on, 679 Large Installation of Vertical Steam Turbogonerntor nt Ford \\1orks, America, 569 Largest Drop Hnmmer in t he \\'orld )fade by the Erie Foundry Company, 201 • Lo.xey 'Vater \\' heel, Islo of 1\fan, Struc·ttu'O Dnmagod hy Jlravy Floods. 383 Loot\li'OS on" Ir·on an cl Stool " by Mr. 'f. HMI On Kelly at tho City of London College, 281 Leicester Collogo of Teehnotogy, D epartment. of J~ngiuooring, has LOO-Ton Universnl TosLiu~ Machine lnstu.llod, 121 Levant Tin 111ino, Cornwnll, Shut Down, 5 11 Libraries, Control of the Electric Lighting Switches in, 201 Light Stations, Four Small, for pnnish Moroccan ConsUino, 660 Lighthouses, Fivo ~ew, for Spanish )[oroccnn Coasttine, 569 Linking North and Sot~th Shields, Proposed Tunnel for, 427 Lithium to be Used iu New Aluminium Alloy, 369 Lithopooo F o.otory to bo Constructed nt l" td ni!l, Russia, 227 Lloyd's Register S<·holo.rship, Awarded, 23 Loading Plant for ;\h\ngan<'so Ore at C:ougella, Durban, 623 London Chamoor of Commerce SC'bolar::~hip Awards, 186 London County Council, ..\wards of the Rob<ort Dlair Fellowships, 186 London County Council not Seeking Powers for New Tramwo.ys, 39 London County Counril Tramway!i )Joko a Profit, J 21 London. and Home Counties Trnffic !Advisory Coounit t ro, l~o\rrth Annual Report, 93 Lubricant Ropor·ted Not Affected by Hont or Cold, Diacovorod by Am<>rican Lubricating Engineer, 483 M 1\fADRASJ:Iarbour Improvement Fithrmo, 39 l\fnngano11e Ore, Faci lit t>l ing lho F.xport of, from Hoosth r·ock, S.A., 93 ManganCISO OrCI Minin{( nt l)oompul SL\icl to Conto.in G6 P !'r C:t'nl. l\!l'lnllic· ;\fangnur~~e, 623 )famrfn<'turo o£ P c:>rsimmon Ln<'qupr, ·15;) l\£anufncture of Pyrophoric Alloys, 369 Mnrking of Imported Too\11, Boorcl of Trade Dir(lction, 472 :\f~:"c-hnnical EngineerR for the Army. 622 l\follon In11t.itute of Jndustrinl Hcse>\rc·h, Considerabl<' Extcmsions to h<' ('nrrird Out at t-he, 12l Morchandiso )fnrks Att. l !lZG. I 05 i\fcrcur·y, Out put of. at Haq·t'I-Nila, Algeria, !)3 Merrury to he Prodt~cod frorll Ores at Narn\H'· Hainaut, 311 Motnlli<' Cadmium in tho UnitNI Fitl\leR in 1929, Production of, 6G ;\feto.ltic l\£agnesi\un, Output in the tlnitcd St aloR, 65 ;\{ethods of P ai nt ing Xow (!nlvnni~ed Iron nnd Brickwork, 281 )folybdonite Output in Canada for 1929, 569 Molybdenum in a, amplc, Dctrrtion of, 399 ;\lonths of the Year, 263 Montreal Harbour I mprovements to Cost 2,000,000 Dollar~, 483 )fosquitoes J.-ept undoJ· Control in South Carolina by Sprnying f)hnllow Wl\lc>r with Oil, 147 i\fot or Omnibus Fitted with liigh.qpN•d Diesel Engine, Leeds Corpomtion, 341 ;\h•kdon Power Plant, 1\lt\IWhurin, NCiw Station of the, 311 Munil'ipo.l T rnmwny and TrnnRporl .\ M.qoriat ion, Annual )JE>otiug, :3!\!l N Pipes Manufo.ctured by Centrifugal Proccs'l Using Sand-lined Moulds. 341 Plans for Dock at Peel now Drawn Up. 311 Plating of Iron with Aluminium, H . .J ohonll'lon'" Invention, 651 Plo.t.im1m Out put in Transvno.l in 1029, 360 Platininm, Present Price of, Very NeM ('o~t of Production, 227 Plymouth'A Embankment "Rond Improvomrnt Snnotioned, 34 I Poland's Zinc Industry. 11 P ortland Ccrucnl Clinker, Borir. Aricl l' s!'d n~ a Flux in Burning, 151 Potasb, Two Now J mportnnt D~>posit ~ in I h<' U ppPr lthino Di;~t rict, 65 Power J~nginecring Conference nt. ChiC'ngo, SR Pritchurd 'H Apparl\tul' for D etP<'tion of PrN!NlNI of Var·iouA Gnfi<'R. 11 Procodurt' for ;\(al<ing Prints on Copper, 14 7 Production of Liqnicl Hydrog<>n in Smo.ll Quantities, 65 1 Production of Sulphur h'om )fl\in Prod ucing Counlri<>R in 1929, 427 Production of Cold and Iron Throughout t hc> World. Sir Roh~:"rt. Hadfielcl Before the Old Industries Club, 427 Production of Synthetic Bitum!'n from Combinnlion of Cit nrs Fruits and Powdcrrd Coni. 623 Progress and Development of :\fodcrn :->team OonerntorR, )[r. C. A. Plummr r , 569 Progrcs.cc of Construction for 200,000 H .P . Initial JnAtnllation of Dcnu harnois PowN' Corporo.ti on, 679 Propeller, A Large Cast Iron, 159 Pt~bli c Light Control Sysl('m in Operation nt Cnlgo.ry, Cl\no.da, 281 Public Works Congress, 1931 , Prizes for Paprrs. 472 Pulveri~ed Coat Burning, Record Cr·ontNl in Power l'lnnl of \\'c>st Virginit\ Pulp t\IICI l'npN· ('ompnny·.. ;\I ill I\I 'fyrono. PI\., r, 11 R NANKIN<.: RN•onst rue Lion ('orn•ni:L..ion Starts Survoy of Site for Propo~<ocl ('~>nt rl\1 Railway RA l)llli\r nt Osl rov, DiRc·ovN·y of 'ft'llC'<'Il of, !'itQtion, :109 227 N t\tional Physical Ln horat ory ';c Annual Rop or·t Now Published in Soparl\lo P Mis by H .l\1. RAILWAY AND ROAD MATTERS : Stationery Office, 65 Accidents : N 1\tionnl Research Council of Cl\nt\da, Ur·. A. S. Aroidrnt Sti\Listics for 1929, G97 lO:vo AppointE>d Chnirman of As~ociMe Coln..\ccidoot lo Locomotivt Through Rmok~> mitiE'<', 5 11 box Door Projecting over 6ft. Spnc-o, i\l1·. N1\t urnl GM nnd t ho Produc·l ion of Fortnald<'· .T. T,. Mooro'A R oport, ;;97 hydl:', !):3 Arcid!'nts 1\t l.!'V('I Cro&'!ings in lh!' l 'nit('ll ~1\lurnl Cas, ('o.~l of S<·hNIII'S for Providin~ Rnslmtoon, Hl•gina, i\foo~o .J.\w, ami Swift Sta.to~. <1 :;.; AC'cidCinl!l in 192!l, Li<>ut.-Colonol ~\fount's Currc>nt. 14 7 :\ntural Un.s-llrt:~d :-;t irling Boilt•r:t nt El Pn.so, HCiport, 4 27 .\('(·id('niA, Inq uiriCis by Assistant. lu~:~pt'Ot 'J'OXM, 93 illj:( Olftcort~ during First 'fhroo M on th~ Nnturo.l Gns irom the Turner Vnll<>y of Alberln to Supply Reginn, 450 l\1 ilN! Uisll\nt, 93 of I 030, 541 AN·idc•nts to Passengers l~1~lling from N at. mal Gas Industry o( U oilod St L\los, 511 Nat\ll'al Gas Linos Lt\id to Supply Chi<'ngo and Pa~ongor Trains, 65 AC'C'ident.s "Ropor·t, Progressive U ocronso of Or•Cio.t Lakes Hegion, :369 Broken Hnils nnd Axles Mainto.inod, 541 Natural Cas Supply for H oginn, Snsk., from Accidents to Rni lway Servants. i\linistry Alherta Fields, 707 of 'frnnaport Inquiries into, I\ Nr\\rtirnl Surveyot'f!, Appointments for. 162 A<·cidllnls to Rnilway 'orvant .., NC'gli.:l'nt Now Crucibles lluilt by Bo.brock nnd Wilcox Protect ion of a Gang or .PI\i ntl'r:~ by C'ompany, New Yor·k, 641 Kl'w Mnchi no for Conrontrntion of H N\\'Y Look·out :MtLn, 65 .\cC'i donts to Rnilway ervanls whNl 1\'finorl\ls in a Dry , tl\t<', 121 'l'rapp<'d B etween Locomotive nnd Old Now mall Car for G~:"nnnny, The Opal 1\folors l~ngino Shed Doors, 173 Comrany's. 281 .\ c·cidonts t,o Railway Servants, l~ <1lurns New York Initiates m ovated Highway with for Last Qt1arter, 1929, 227 F aci lities for Adding Srcond. Storoy, 70i Accidents to 'J'rnins Running on Loop New York's New ·west Sido Elevatcd Highway, LinE's, Through )'listaken Signals, 4 27 Nearly Ready for Serviro. 121 Anniversary of Willesden Hnilwt~y AN·iNewsprint, Cnnadn Exports 6G per CPnt.. of dont which 0CC'\rr red Tw~•ly Yoi\1'~ World's, in 1929, 65 Ago, 623 Nitr ogen Fixat ion Ph\1\L, ('onstruct ion ComBuffer Stop Collision nt. El\!11 bo\u'n<', menced on Second Li111h at Ruhr, 4.8:3 Colonel 'l'ronoh 's Repo•·t, 48:J NoiRo, The Evil Effects of, on Humnn Beings. Uuffor Stop Colljs ion at Euston, 281 147 BuiTor Stop CoWsion at Li,·orpool -~t rc!'t Noles on Screw Gauges, Nationl\l Physical :>tation. Lieut.-Cotonel Andt>rson'~:~ HrLaboratory, l\('W Edition or, !l3 porl, 201 <.'olli Hion Between a Tramcar and 01nnibtr~ >Lt P onders End, Report. by L iout.Colonel Anderson, 39 0 ('ollision at Grimsby Town Station, 93 Colli t~ion at Grimsby Station, Licut.-Colonol OFFICE Machinery Uset·s' Association, •· '!'ransAnderson'A Report, 455 notions," 159 Collision nt Preston Station, Liout.-C'olono I Oil Extraction Plnnt at Now Clnsgow, Novn A nde rson' s Report, 541 Scotia, 147, 173 Collision nt Ruthere:Jen, Lieut.-Colonel Oil from Coal in the Trans,·o.BI, New Company Moun t's Report, 9:3 Formed to Make, 121 Collision near Preston Stt\lion. J..1'\L . Oil Production from Deepor 'Veils Requires Railway, 20 1 Casing :Material Capable of R esisting High Collision near Stnpleton-rond, HriHI ol, Pressures, :\I r. F. '"· llremmor, 569 Crent \Yostern Railway, Roport, 11 Oil Product ion in AJberta During April, 1930, 93 Collision on Itatinn State Hailways at Oil Transport by a 760-l\lile .Pipo Line from l\8.'10, 3!) . Toxas, Panhnndle, to St. L ouis, 6G I D erailment at Sheet Stor('s Junction, Oil, Presence of, nt .Leeuwhock iu the. l\liddlc· T ront, I3Citweon D erby and Nottinghnm burg District o£ the Cape, 173 623 Oilfield Discovered. Mnr I.-ulont i, on Chinese Dornilmont. of Leading Bogio of Ronr l~astem Railway, 707 Conch h1rt One of "!~ lyin g Scotsman," Oil "C\lsher " with }'low of 600 Tons a Day, Colonel Mount's Report, 6G1 Brought in near Kokund, Contrnl Asia, 5 11 Fatl\1 Collision in Tunnel noar Culgnith Oldest Producing Oil Wf\11 in Californin, Drilled St.ation, Colonel Trench 's Report, 6G Fifty-four Years Ago, 511 First Fatal Accident to Railwoy P assenger Omnibus Designed to bo Oporo.tcd Either as on Liverpool and Manchester Raihvoy a P etrol Vehiclo, u. Datlery Electri c Yehicle, 28 1 ' or 1\ Troll<'y Omnibus, Belgian, 20 1 J..cods Collision Fifty Years Ago. 707 Nort.on Fitzwarren Accident, Forty Yonrs Ago, 6 1 l Railway Accident R eturns fot• 1929 3!) Railway Accident R eturns, Reduction in p Price of, 39 Railway Accidents. Annunl Report, Lieut.PANAMA Canal, Roturl\i! of C'emmercinl Colonel Mount, 51 1 Trnllic Through t he, 281 Ro.ilway 1-;ervo.nts, Analysis of AN·ichmls Pond Oreille River, Plans for Harnessing the, to, ir\ 1029, 707 20 1 RepOt'\. on Fatal Injuries to Platelo.yer· by P ersia. Report on Economic C'onditionR in, Jo'iro from Naphtha. Lamp, Mr. J. 1.. )1. E . .R. Lingeman, 227 i\looro, 6i9 P etroleum Coke o.s a By-product, 39 Amt\lgamt\t.ion of the Railway Compani(''! Petroleum Experiment l:itation Carries Out. n to Reduce Expenditure, Question .\ dSeries of Observationa on Bulk Storage Tanks drossod to Minister of Transport, 679 for, Evaporation Losses, 253 Appointments and Staff Change~ 173 253 Phos-Copper W elding Alloys, Production of, 281, 341 I I by the W estingbouse Electric and )lanuA utoml\tic Train Control Committre's Hefacturing Company at East Pittsbmg, 93 port, 64.9 Phosphate D eposits Doing Opened Up ncnr Automatic Train Control Commiltt'o's RCIKruger Natio~l Park, 'i'ran.avno.l, 12 ~ port, Analysis o£ Signal tntisticfl, 079 Pilobards, Canadran. Productron of Oil, Fish Brook of J oumey at Stations. JncreMNI 1\feal, nnd FertilisN' from, 427 Fo.cilities for, 173 Pipe Systems Installed by tho Romans DisBrit i10h .Rnilwnys Stnndarcl Dlo<'k ('oclc, 311 covered near Cologne, 20G • INDEX. XIV • • RAILWAY Aim ROAD MATTERS (co?llimud): RAILWAY AND ROAD MATTERS (co11tinued): Canadi&n National Railways : Indian Railways : Fire DestrOf8 New Dock at Vancouver, 173 Aasam Bon~al Railway and the Expiring C:ross Eammgs for July, 1930, Compared Contract with t he Indian Govomment, With July, 1929, 281 147 I ndian Railway B oard, Aru1ual R ep ort, " H udson Locomotiva 6700 " Srud to be the FMtost. I.ocomotivo in Canada, 399 320 I ndian Railway Report on Standard Loco· "'orkm~ F.xpenso~ Cor Sevon ::\Cont hs End. ing .July. 1930, Comparccl '''th Sonw motiHs and Fittmgs, 65 Poriocl, I !'121), 28 I I ndian Hailway Board, A nnunl Hoport, Value or Railway Mt\lorinl P url'ha~~>d, Canadian Pacific Railway : 227 T imber Cor S lt>opM nnll C't\rringo Bui lclin~ <: ro"4 J~nming~t for ,July, 1930, Compared in Tndiu, I 73 with .I uly, 11)29, Workin~ l~xpon.q<''~ <'ompnrl'd Cor :)nmo J>oriocl, 211 1 Koys and T rl.'nt\il-. \TMcl on Brit i11h R nilwnyH, W orking Jhponso11 Cor Sovon Month11, ' \Jmbor or, G:!:J ,J nly, I 0:30, t'Ompnrt'ld "it h Snmo Period Lawsttils whi <' h T ook l'laco tl.!'l t o P ot ont. i 11 I !12!.1, 28 1 l{ights in Sundry Dott\il~t or the I ntorl oc·lcC'lo~ing of moro B ran ch T,i noR, 263 ing in t.ho J.ovor Frnmo for J>ointA and l'oMoronC'o of All Htnto H a il wtLY CommiASignt\IR, 623 Hion<•rs or Stl\le'l o( AnHirnlitL ILIHI or lho T.oromotiV<'II Cor Rn.ok Hailwny11, Dc•H<'ription ('Oil\lllOIIW('Illt h, 6(, 1 o£ .'yt~toHn l nvcntod hy Wc1tli, 571 De• lay in J)uhli<· Obtaining Wint or TiulO· t nhles, 3!)!1 London, Midland and Scottish Railway : l>iAcovory or t ho Ot.her ('ylind<' r or lh!l Ay r H arbour Dovfllopmon t.. 1169 " ' ovol tv • •" 4 66 L.M. nod S. H ailwny J~ugi no No. 61 23 l>i'4 tant Signals , Corroct Nt\mo Cor, 48:1 " Royal I rish Fusilier," PreSI'ntod with D"•idcndt1 or British .Railwayt~, 121 Pluquo'l Bc•nring ('rest or t ho Ht>gim<>nt, F.loct rio Traction for Main Lino .Railways 43 ('onverging on London, 147 F.xperiment11 with Railroad CoMhcs which I~trt~t. Motor T rain Operated Hot weon tht' can Run on Either Railway or R oad , 641 Atlantic and P acific Oc<.'aM, !'1:} Liverpool a nd Man<'he ~t<'r Railway t'elebrations, Final Lund1oon, 34 1 Foreign Railways : J.ocomotive B ui lding nt H arwich t o Stop •\or ial R ailway Acros11 Hnrcolona Harbour, ACtor 1931 , 20 1 Hapid Progress in Construction, 427 Locomotive Build ing at Horwich, F i£t con Ai r -<'onditioning System, E :\.-periments by Light Tank Engin~>~ t o bo Const ru ct ed :Baltimore and Ohio and tho Atcbison, I nstead o£ Twelve 'ow E ngine8, 253 Topoka nnd SantA F6 Railways with an, Locomotive Exhibition at .Manchester, 341 651 Locomotives from \Vavortreo Exhibited at American Banker11 T ako Over and Operate Manchest er, 34 1 the Pacific R t\th•ay or Nicara!?un, 121 Painting Bridges in Dorhytlhiro in B t\ttlo· Hran<'h Lino on tho Azul-Bahta B lanca ship Grey, 311 Hailway P rovidf.1s ::>ocond Line Between P roposod Bxtension or Flcetwood't~ Docks, L n Pinta and Bahia Blanca , 20 1 623 Vhiliun D epartment or Puhlio Works and Proposod Rni lway 2A Milos J.ong B oLWO(ln Con.stnJct.ion or FirM!-elMs Honds in Two P oints on Chondlo Brntwh, 707 Ch ili, 6 11 Reason Cor Spodal T rain Loav in~ JO:uston Colour B lindness , }'lnshligh t Signals at for Bedford with Victim"' or ' .R 101 " Rai lwa y CroBI!ing at Stottin, 341 ror Burial , 427 " D rumm" SoU-propelled R ailway Coo.oh R ed uction of Locomotive T ypes OL\ the Runs T ests, 147 London, l\fidland and Scottish Rl\i lway, Egyptian State R ailways, Tenders for 173 Electric P owor Station at Cairo, 11 " R oyal Soot " Train Stops to ChtLngo Eleotr ification or Mai n Lines and SubEngines, 143 ur ban Linos in America, 465 Sand D rag I ntroduced at Euston Station, J~rio R a ilway Plo.ce in Ser vice Oil·olectric 446 Cars, 483 Great Southern R ailways of I reland, London and North-Eastern Railway : Abolition of Socond.cltl.S8 Travel, 39 J nt <.'m ationa1 System or R a ilways or L ondon and North-Eastern Railway B ill Cen tral Amer ica, Propo11a1 to Adopt Pnssed Selo<'t Committet>, H ouse of (:as-powered Mot or Rail Cura for Service Lords, 39 Betw<><'n Atlantic and P acific Oceans, Closing or Stations Botwee n York a nd 399 D urham, 369 I rish F ree State Gover nment Grant. Cor Closing or Stations when Wi nter Pro- . Electr ical Oporatton or Trains by gramme Starts, 93 D rurom Storage B at-Wir y System, 511 Dismissal or 400 Railwaymen, 173 L a1?land Ore-car ryin g Rolling Stock t o be D ismissals or R ailwaymen from D on.1' it t ed with S.K. F. R oller Bearings, 427 co.ater, 227 Now York, New Havon a nd Hart ford RailElectric Colour I.igh t System or Signamng way, Ten E lectric P tt.ssengor L ocomo Adoption of, 399 tivos Ordorod, 369 " F lying Scotsman " a nd F reedom from Rui l Coach Sh apocl Like a n Airsh ip En~ne F ailure , 6 11 Equipped with a 600 H .P . Aeroplane "Fly tng Scotsman," King's CroRS to E d inJo:ngino R um• a t. 96 Miles an H our a t burgh Non -11t op, 11 H a nover, 455 I ssue o£ D ebent ure Stock, Hodomption Ro.ilwo.y Ca r in Brazil R uns on New F uol wi t hin F or ty Year11, 569 " Azuli na," 12 1 King 's Cross, Two Moch o.nioally Oporl\lod R et iremen t. of Monsieu r A. 1\loutier from Signal -bo"CeB a t, 20 1 F renc h Rail way Sorvit'o, 483 L ocomotives Under Hopa ir, N u mber or, R oad Const ruction in J>roviuco or K wang1929 Compared with 1928, Sh ows t \rng, 399 Reduction, 64.1 Hoadway Construct.iou in Sangamon P roposed T ubo R nilwoy from J.ivorpool • County, Illinois, Now Meth od, 341 street to Dford Undor Consideration , 669 Solvi ng t bu Problem o! J<;Joctrifica liou of Super -elevation of Rails t o be Recorded on Goodi:S Y Mdtl nncl Term ini on t he New a Ch art, 311 Y ork Centra l Rt~i l wny, 661 Tube R a ilway Betw<>on Liverpool-strect Un<klrg round Hailway o( B uenos Aires, and DCord, Progross or Scheme, 227 Jt' irst oction Near ing Completion, 253 Two H undred i\fon Hodundant in Midd lesUso or Vorrugatcd Iron in Found ation." of brough Distri<'t Owing t o .Rcorf(anitltL· Roads in Amoru•a, 456 lion, 39 Two Now • looping Car~~, Eloctri<'it.y t1S<'d GM-lighted J>t\ssongor Stock, P t•rcon tago for J.ightiog and Hent.i n~ WaW~r, 399 in 1928, 11 Wodgowood, Sir Rl\lph, Not R etiring from Glasgow Corporation nml Municipal Trnn~ the Lond on and North-EMt€'m Rai lway, port. Undertaking, 0:1 455 \ Vhi tomoor Gravitation Marsh alling Y tml, Great Western Railway : Ma rch, L. and N.E. Ratlwny, 11 Bri11tol, I mprovements at, Col3t E!!timntcd Wirral Society Obtains Removal or Two o.t £ 1,250,000, 227 HoardingA at D idKton nn<l Upton Cab ignalling to bo Introduced Ovor Much Stations, 569 Greater Area, 4 ~3 " ('heltenh am Flyer " Ot' " Choltenham London, Jtlidland and Scottilh and London and T ortoiso " f I •17 North-Eastern Railways : Closing or Carri~:~ Branch for P o.ssongor Rni lway R et u rns Cor 1021), ContnLat 'J'r atnc, 670 .Between " Ot.ho1·" Mileage or E ngi nes Closing o! Valo or Rll(liclol Hailwn.y fol' of London, Mid la nd nnd Scot.tiRh and Goods 'l 'rnffic, 679 of t he T.onclon flnc l Not·th -l~nt~torn Hl\il· Cogloo.d Ju ncti on, Taunton, Norton, Fitz. wa y~:S, 65 1 war ren Widen ing, P articulars of, 1)41 <:orris Hnilwny. P owort'l Cl ranted (;, W. !lfetropolitnn Railway ('ompuny, Appoint· H ailwny t o T ake Over, 227 mont. or J oint At'c0111111\111 "• 5 11 H'toOJiion or Automatic 1'ram Control to <'ost n Quar ter or a M1 llion, fill9 Ministry ol Transport : Four Di fTeront Gaugt'l:l on t ho Cent ml Wales Divi~:~ion, 341 Appointtneot of Lieut. ·Colonol EnleRt <:oock Helic~:S in t he Crco.t. Western Musown, Woodhouso tl8 Assistant ILU~po<'ting 427 Officer of R ailwny11, 569 I mprovornon ts at Stations, Additional British Railways, 'J'otal Number of !>(1.8J.incd t o be Laid , 121 sengor Journeys during 1929, 311 120-T on Trolley Adapted t o Carry H eavy D raft o£ Proposed R egula tions for Third L oads othor t han Transfonnors, 3 11 P arty Risks u nder t he Road T raflic P ro(>osal to Obtain P arliamentary Powe rs Act, 1930, Published, 597 With R orerence to t he Privately Owned );\1mber of P assengor.carrying Vehicles on W agon on its Sr11tem, 65 1 B r itish Railways in 1929, 368 J> ull ma n Cars W1 thd rawn from Torq\Jay Xumbor o{ Railway Servan ts Employt.cl nnd P lymouth 'l'ruitllf h avi ng !'roved Now and in 1913, Comparison of, 147 U nromunernti vo, 28 1 Programme Approved for W id onjng, He P nrclJ(I.80 of 162 Motor Vohicle!! and T racconstruction and Other Improvernon tt~ tor~~ for l<'reigh t Horvtco, 569 o£ Roads and .B rid~os, 623 Hodoct ion or H or!IOs Ut<ed in Ooods Sur.Railway Companios, Traffic R N•oipt ti or. 39 v•<'es, r,3c; Railway R eturns £or 1929, 39, 2:.!7. 679 H oduction of W or king D ay11 for Shop St afT Hnilway R otums for Ul29, Now T able 'fhrough ollt t he System, 3 11 Hhowing N\1mbor or l?I\SSOngo r.rarr~ing Ton Year:~ of AITor~ll:1tntion on Tot-ritory Voh.icles Light.od hy Ons and by Jo.lllC· A djucunt to t ho G.W. Hailwny, 147 t.l'icit.y, 483 Rai lway RoturnA Cot· 1921), Nu rnbor of H ealy , 1\lr. '!'. M., on Old H t\i l wayu~an, 39 W llgOOB Own ed by B ritish Ho.ilwny H oy, Sir Wtllio.m, Tho L u.to, Chutrman or CompaniPH 1 G07 1h o H hodOlli ~n Ha il way Comnus~ion, 227 • • Trr& ENOI!ffi&R I Nt>EX RAILWAY AND ROAD MA'l"l'ERS (continuw) : Ministry ot Transport (continued) : Railway Statistic<J Cor l\Iarch nnd March Quarter, 65; for April, 93; Cor May, 199 : for June and for H alf- year endm~t J une, 341, 369 ; for July, 5 11 ; Cor August, 697 ; Cor Septe mber, 679 ; for First Nine Months or 1930, 707 Return o£ Number of Motor Vehicles R ogi11tored c\uring April, 19:10, 39 Weekly Traffic R oturn"! for tho Thirty. ninth \Veek or tho Y N W Show l)(:rrflii..'IO on the F our Rnilwnyll, :39!'1 Warning to Local Authorities who 1\ro Licensing Anthoritielf for .Mot o•· Olltllt · huses and Mot or C'on<'lws, 369 Montreal, P ropoRod R apid U ncl c•rgrtltuHl Transportation System for, 07!1 National Union of Railwaymen : Special Gonerl\l Mooting Cnllod to ( 'o n~icl c•r Mi n imum Wage, 253 Pay and Cond itions or Service of Rni lwaymen , Question Likely t o J,o..qt, for fio111o Time, 623 Railwaymen's R ed uction in \Vl\gos, ('onrerence B et.ween General ;\fanngers unci J{opresentatives or T h rro Hntlwo.y ~tl(•n'H . monR, 6G 1 Rai lwaymen'l! \ Vages, Conforonro on, Hovi~i on or R a t <.'s or P t\Y 1\nd {'ondition!! o£ Service, 5 11 Now Zealand, Closing Unprofitable Hrnn<'l1 Lin es in, 65 Nigh t Tra vel from the ContiMnt by thr Longer Routes, 173 Northern Alberta Railways, Survrys for Best R oute to the Pacific Coast. 20 I Number o£ Steam, Electric and P otrol Locomotives on British Railways , in 1929, 29 1 Passing or a Famous Locomotivo, 25:1 Precautions Taken t o Guard Railway Truck!! from Slips and Subsidencos, 623 Progress or E lectrificat.ion or Munc·lw!'ltM South Junction a nd Altrincham Junction R ailway, 679 P roposals for Reduction o{ \\ragi'R on tho Rai lways, 569 Protect ion of Tra ins from F alling 1\ocks, 341 Rai lway Companies and th o Co-ordination or L ond on Tro.ffic, 427 Hnilway Companies nnd R oad Transport Organisations, 39 Rni lway E mployment (SI\fety A ppliances) Committe., Constitution of the, 211 I Railway Magazine, Special 400th Numhor, 369 Railway Material Exports, , tatistit's , 65, 121, 369, 597 Railway Rates Tribunal, Anmtal Hovic•w or Standard R ates and Charge<~, 1 I Railway Review, .Jubilee or the, 93 Railway Staff Census, 253 Recommendations Made by a Commission Inqui ring in to the L osses I n curred in t he Operation o( St ate-owned Railways of New Zealand , 455 Reductions or Salaries and Wo.ges, 12 1 Road Traffic Bill Receives t he Royal Assont, 147 " R ocket," The, R obt. Stophonson and Co., Ltd., to Make Replica Cor l\:fusoum or t ho Peaceful Arts, Now Y ork, 9:l " Safet y on t bo Permanent \ Vo.y," J.>..:pondit ure by BritiAh R ailways . 7117 Shop Sites on t he Rai lwayl!, 12 1 Southern Railway : Canter bury and vVhitstnhlo Rt\ilwny• Centenary o( Open ing Not Commemorated , 511 Escalator for \ Vaterloo and City Rai lway a t ' Bank Station, Pow(lrS to he Sought for, 65 1 Lo.ok of H ousing Accomm odation Cor R n.ilwaymen TransCe rrt-d from Ashford to L ancing \tnder R eorganisation or Rt\ilway W or kshops, 66 Opening o£ H in chley W ood Station, 44 9 Punctual Running of Trains, 121 Southamp ton Dock Ext ens ion Schomf.1, Grant l\Cado to Southern R nilway undt' t' Develop m<'nt (Loan C\larantel's and Grants) Act , 597 Sout hern Railway E l<>d riticat ion, l~xt !ln sions or, 11 " Sou t hsea," Now Boat for P ortsmouth Rydo ervico, 66 " W h ippingh am," New Bout for P orts· mouth- Rydo Service, 65 <poedomet ers on Locomotives, Sug~~> ~t.ion by l\lr. C. F . D andy 1\larsho.ll, 569 St a ndardisation or R ailway Signals, 361) T andy, T he Late Mr. J. 0 '.8., 281 T t\tlow, R. H., R etiremen t or, from South African R ailways, 11 Tomisk am ing o.nd Northern Ontario RtLilwt\y, ContrMt Lot Col' t he Lo.st Soct ion or, :11 L 300 B.R.P. Oil Engine D rivon Loc·omotivo, H uclswoll , Clarko and Co. , l.t cl., 17:1 Underground Railways : D ovor-streot Station nnd Down ·HI roN Station to be Co111binod, 7()7 I mprovements at \VMron·str<>et, Ch l\nte• Y· lnno, Edgwnre-rond, nml lftLlllpl!t ('t\(1 Stations, 20 1 ::\fetropolitnn District R tLi lw•~Y, J'roposnl to E nlarge the Ttmnels at Slonno-!lqunre Station, 679 Piccadil ly Tube, \\'eslem Extension, 395 Underground Railways, R e<'onstruction or St ations, 11 Utility or Motor Coaches to Railway rompanies, 427 Vict orian Governmen t Railways, Hotiromcmt or i\fr. J;' . M. Caloutt, 31 1 W hitby and P i<'kering Railway, <'ontonnry or, 117 W inter T rl\in Ser vices Changes, 34 I HAINFA L J,, Existing Meth odH or, to bo Hotaiucd by the Sub-Committee (Assessment. of Compensation Wat.ot•, l\linititry or H ealth, ) 930), 93 R ate or Settle of L imo from a S\lspen!!ion in n Liquid, 287 Heact ion Ch ambet' BltHt of Chrome Voot\dium l'ltcel by W oldings l::itandfl Pr(lij!lu t•o or 10,000 lb. p or Square I nch, 93 SUPPLBMENT, JAN. 23, 1931.-{VOt. OI,.) R ecen t Drng-lino Exca vator Prnc'ti<'o in C:orman y, 495 Re<'orci C reaW~d in Driving Wooden Piles in Western Conada by Raymond Concrete Pilo Company, 697 R ecord Dopth in t he Son or 800ft., W. Beebe, 20 Record Erection o£ a 420.T on !\forkham Hoi !l~ on th11 Rand, 46 1 He<'overy of 600 Tons Copper Ingots Crou1 W reek o£ E ldor D11mp11ter Li nor " Gnri hoo," 341 Rolr, Cl<'orgo R., The Late, 227 Report of Atmosplwric PoUution ('ornlllitt N• for Yoar E nding March, 1929, (,69 " .Ropl'rtoriu m 'I'echnictun," to ho J~~\tetl at Early Date, I 16 R eAOl\I'Ch on th n H ..huviour or the (:lfi.C'•i <•l'l or 1\fouo t H epo. 281 HoRorvoi r t o bo ('onstruotod for Supply of Potable W e.tot· to N nnlti ng, 227 Ric h Dl'pOHit o£ l?yTit.oR Disl'oVMPd n~ T olgl\, Near Horos, Norway, 669 Rich Soam or White B arytes Discovered in Force Cmg. Cumberland, 569 ; F aoto ry to ho Erected on Norlh-East Coust for W orking \tp Barytes, 697 Rio Orando in 'foxas, Changes it!! C'our110, 6fi Robinson, Sir Horry Pe rry, The J .t~to, 707 Rocket. Propulsion to Extreme A ILitud ot~, Exp<•ri m<.'nts h1, 14 7 Royal i\lotnl 'I'rndlls' Pension and Ronovolunt Soci~>t.y, Annual Festival D inner, 596 Hoyol l)cot.tish ;\[usoum, Prosen totion by Hruntons of Specimen or Ono of Lnrgi'Ht Windin~t R opes Mado, 541 Rubbe r Industry, Tbe Governtn11nt or tho F<.d11rated 1\Il\lay States and Exporimentnl Work in the, 121 Rubber Latex, Proposal to Plant Ghondt·ilh\ Plants in Southom R ussia Cor P roduct ion of, 34 1 Russia t o Provide Suitable Livin~ A<'commodation ror .. F oreign Engince ril, F orN11Nl o.nd Quolified Worktnon," 341 Russio.n Cntdo Oil Output from Octohor, 1!121), to Mn:v, 1930, 9:l • s ST . LAWRENCE Ri ver, The Navigation or, 65 St. Lowronco, 35ft. S hip Channel to bo Corn. plet ed by End or 1934, 511 St . LMvren ce \ Vaterways Improvemen t Project, 679 l\8kntchewan's First H ydro-electric Plant. 11 Septic P oisoning in the Mo.chine , hop, 162 owora~o che mo for Towns of Uermiston, B okesburg and Benoni, . Africa, 483 • hifllded Arc W<>lding, 694 SHIPS AND SHIPPING MATTERS : Hoard of Trade Committee Appoint<>d t o Consider E conomic Factors l nvolvt>d in Sale o! Old hjps and their Replacemant by New Vessels, 369 Bombay Port Trust New 45ft. Motor J~ifo boat, 65 Canadian Pacific L iner " Empress of Britain " J>l\8sengors R each Now Yor k 1M Queh<><' Quicker than by Direct Steamer, 390 Canadian Pacific Liner " Empress o£ B ritain " Wireless Telephone Installations, 404 China Merchants' Steam Navigation Company, Proposed New Flee t for, 39 Construction Materials Coryoration's Stoaml!hip " J. R. Sonsibar ' will L oad and Unload Sand, Coal an d Stone F.xpoditiously, 623 Cr uiNMS " Dartmouth," " B irmingham " and " Lowest oft " Placed on Di11posa1 List, 171 m ect ri o Power Ship " J acona" Placed into Sot·vice, 651 1~l ovon Ships or lho Anglo-Snxon P etroloum Company, Ltd., to be Equipped wit h .Marconi Wiroless Apparatus, 227 Hxtonsions of Berth at J ohn Brown and ( 'o., Ltd., at ('lydebank, for N€'w CunMd Linor, 541 Fifty Hhipti Leave England for Nort lwrn HuJ~si a by Kara • ea R out<' with l'o' iot Imports, 369 Fron<'ll Submarine " Prom6thoo " Laundl<>d ut Cherbourg, 4 3 TI.M.S. "Scarborough," The New Sloop, 162 I cebreaker for Town of Gothonburg, 707 I cebreaker "St orebjoem " L aunclwd Cor D anish Htato, 707 K eel Laid for Midsbip Section o£ An~lo American Oil Tanker "Sarana€'," 390 Largest Tug Built £or I nland , Mvi<·o t\t Nl.'w Orleans, 253 " Mauretania " Adds Now Record to H er Distinctions, 119 l\lothod o! Sol\ling LonkR on Ships by Forming Coating o( I ce on Metal Hull, 341 ?~rotor Li ner " Georges Philippar " DMnngfld by Fire l\b Snint-Nazaire, 623 Order Pll\C(I(\ for Construct.ion or an All· woldod Steel Diesel-<>lectt·io Oil 'l'nnkcr in United Ht ates. 711 l )roposcd LinorR (or Three-day Mt\il Ser vieo Botweon L ondon o.nd New York, 1J nit NI States J.jno's l' roposals , 597 JJroposed Now St eamer for t he \ Vflllinj:ti onLyttolton F erry Service, New ZolLla nd, 21:11 ShiP- Cl\nl\1 AcroAA tho l !!thnHts l\t Chignocto, Canadian Governnu•n t Itwostigl\lo~ PoN~~i· bility or, 65 Steamship ::>ervi<·es from Brindi11i to tho F nr ]~ML, 'I" o New, 147 Submari_n o Expedition Across tho Arct ic Sea, 427 "'f afelborg," Twin·screw \ Vbuling F l\etory Steamer, J,cavcs tho Tyne on Tril\ls, 93 The Snlva~o o£ the "Hindcnburg," 121 Turbo-ol<><·tri c Cl\rgo and Passengrr St«.>t\lllM " Pll\ttuao," 11 'l'wo Now 'f o rpodo-boat Dc~t royors to ho LtLill D own at Portsmouth Doc·k) t\rd in Octob<•r, 2G7 Whaling Fleet .ReCN\tly ilt Cape T o\\ 11 H t\1'· !Jour Loavo11 Cor t.ho Antorctic, 65 1 \\'ru<·k o£ " Highland Hopo," Thirty-Mix Htttiton Oil Engint•s may bo Ralvod a ne\ Shown ut B ritish Bmpire l~x hihit ion, llueno>~ Air<.'s, 597 W t·ook or the s.s. '' Co.riboo," Attompt11 to Ht~lvo {'oppor Abandoned, 651 I TnE :FlNOTNEER JND"EX UPPLEMENl', JAN. 23, 193].-(VOT,. S~GNALS, Colour ~ight, in L\1dgate-circus, 39 Stlver Ore Lode D tscovery at Granville Lake Manitoba., 183 ' Sil ver, World P roduction of from 1493-1927 11 • • Slate Quarrying Industry and the I ntroduction of Wire, Saws, 93 " Solidend " T ool, Samuel Os born and Co., Ltd., 547 • outhampton, Spiers and Pond, Ltd., and •'outh:westenl Rote!, 39 Specific H eat. of Wat.er Vapot•r at Hig h Tempert\t.ures, Derived from Explosion Experiment-s, E. D. Ji:o..qtman , 42:3 Sltwo River liydro-elect. ri c P lallt, First Unit P laced in , ervice, 707 ::;te>\m Navvy Advances vVork on Digging Trench in Chicago, 511 Steel P en, The I nvention of the, 3 11 Steel Ropes, when Now, Ab~orb R ea.vy Impact Loads. 173 Stoppage of Lead Service Pipe U nder Pres.~uro by Growth of Tree Roots, 679 Styria., Aust.rio., Proposed Four Hydro-electri c Power P lants, 11 Submarine Cable being L a id Bat.ween Bo\1logne and Folkestone, 173 Sul phuric Acid, T he World T otal Outp1.1t of, :311 S1.1p erph osphates to be Produced at Hamilton, Ont11rio, 48:3 Survey o£ the Natural Resources of the Peate River District or British Columbia, 281 Surve~ng fu<;trum ent of Great Accuracy Des•gned and Constructed for United States Geological Survey, 483 Swedish 1\'fo.gnet,ic Observatory, First R eport of the, 147 Synthetic Camphor to be Mmwfactured in Salti llo, Mexico, 483 INDEX. CJ,.) TELEPHONY (conwnued): Shanghai-NanJ<ing Long-distance Telephones Improved by Installing Sound-magnifying Vacuum Tubes Along the Line, 399 Telephone Communication from Ship to Shore in Port of London, 623 Telephone Services in Great Britain and Northern Ireland, Statistics of, 311 Telephones in New Zealand, 147 T elephonic Comnn;•n ica.tion Between the Mainland and the I sland of Skye, 147 Tolepho11.ic Commu n ication in Sofia DistrictR, 192 Trans-<.:anadian T elephone Servico Nearing Completion, 623 Wireless T elephony on Southern Rail way Company's Steamer "Canterbury," 281 TELEPHOT OGRAPHIC Service Installed B e · tween Nanking and Berlin, 253 Television Tests in Germany, 1.1 Tests .on Composite B eams and Slabs of Hollow Tile and Concrete, R eport, 117 The Welder Prize Competition, :325 Thermal Insulation Properties or Ait· in \ .Valls, Investigations Ot\ t he, 147 Tin, H. Moissn er and Met.hod for t he Detett.ion of, 223 Tin, Hardening and •'oftening of, 482 Tin-plate Mill to be Erected in Osaka, Japan, 5 11 Tin-plato vVorks at Gdingen, Poland, Proposed, 3 11 Titanium, Effect on Appearance when Heated, XV University of London, Special Lectures in Faculty of Engineer ing, King's College. 442 Utilisation of Euphorbia L atex Create!.' Now Industry in South Africa, 399 Utilisation of Waste Sulphite LiquM from Paper P\tlp Mi lis, 31 1 V VALUE of Land per Squaro Foot for W iden ing St-reets in the Cit.y of London, :399 Vancouver Creosoting Company Extending P lan t, ·~ 83 Vancouver H a r·bour Contracts P laced fo r Construct.ion of a Now Pier in, 147 VMna, Hulgnria, to bo 1\[arlo a Fl'to P ol'l., 311 w WATER SUPPLY : A I tnaheglish Dam to bo Constructed to Supply LOJ.ldonderry w it h Water, 369 I mproved W ate•· Supply o[ t.ho HooghlyChinsurah Municipality in B engal, 455 'Nater Power D evelopments in Cant\da, 369 W'aterworl<s Opened at Chelmsford, N ew, 9:3 \ .V A'fERLESS Gas Holder Statistics from 1918 t o September , I 930, 541 Welder, T he, to be I ssued Monthly, 77 Titanium, T he Uses of, 679 ·welding E lectrode, The "Crests.," 340 Titanium and Oxidation when Treated, 511 " Ti-Tone," a New Titan ium Lithopone Offered \Vhi te Spruce \<\'ood, Strength of, 253 ·wind P ressure on Chimneys, Amel'ican Bureau to the Rubber Industry, 227 of Standards Investigations on, 399 Tracldess T ram for South Africa, 483 Tractor Plants Used for T ransport o[ Sleepers Wind Tunnel, Largest Commer cially Operated , Completed at Dundalk, Maryland, U.S.A., and Logs in I ndia, 520 679 T ractor Trials at Brakpa.n, South Africa, 173 T T rade of H ula.n, Manchuria, Agricultural W indsor-Detroit Vehicula r Tunnel Between Canad a. a nd the United States Nearing ComImplements in Great Demand, 12 1 p letion, 20 1 T ANTALUM Used in Manufactu re of Spin- Train ing B oys for Technical Work in the Winnipeg to .Have a Steam H eating P lant, 20 l Regul11.r Army, 3 11 nerets for Rayon Industry, 341 1Vi re and Wire Fc..ncing Production in Can ado. T ar from Bitum.inous Sands in Northern Translators, Establishing a. Panel of, 11 during 1929, 511 Tube R eaches D epth of 2166ft. in Sea off Alber ta, 39 Mataozas, Cuba., :369 Tar Sands of Athabasca to be ' Vorked by the Tunnel, P roposed, B eneath Lachine Canal at WIRELESS : McCiave Process, 20 l Anglo-Saxon Petroleum Company, Ltd., \ N ell ington -street, Montreal, 4 27 Tees-side, Souvenir of a Royal Visit to, 23 to have E leven Ships Equipped with Tunnel, The ·w indsor-Detroit, Now Nearing Marconi Transmitting and Receiving Completion, 147 TELEPHONY : Apparatus, 227 Twelve-storey Garage in Toronto, Proposal to Arctic Cir cle, T ransatlantic T eleph one InBeam ' Vireless Service to Operate B etween Build a., 28 1 vades t.he, 11 I ndia and Japan ~ext Year, 311 Automatic T elephones at Johannesburg, Bristol Corporation nnd Unsightly Wi reless First Section will Operate in About a. Year , Aerinl P oles, 11 93 Broadcasting from Trains in Canada, 11 Bell Telephone System of America., Proposal B roadcasting Station of High Powe1· Starts to Spend £420,000,000 in Construction Work in Mexico, 569 D uring the Next Five Years, 20 1 Ut-.TEMPLOYMENT Figmes from Germany, Broadcasting Station for Sao Paulo, 455 London the Most Dense Telephone Area in 173 Broadcasting Station to be E rected in Central England, 147 University of Bristol, Prospectus, 23 Ireland, 427 l~ondon T elephone System, Programme for University of J,ondon, Advanced J"ectures in Canad a's Manufacture of Radio Sets Mrl Conversion to At1tomatic ' Norking, 11 Mining, 522 Part.s, 227 511 WIRELESS (cont.inued) : Colour Coding System of W ires for JI.M.V. and Mo.rconip hone Receiving Sets, 3 11 Ge rman Broad casting Station a.t liiUlacher Commences 'York, 577 Holland's E xports of Rad io 1.\ppara.tus nncl Accessories Decline, 201 Italy an d Sardi nia, L inJ<ing Up by a \Vi•·oless Telephone Service, 4 Knrolus Light Cell, P atent Rights Assigned to the Radio Co rporation of Americ!l., 201 Manhn.tta.n, Construction of a T heatri('n.l and Wi reless Broadcasting Centre in, 38 Radio I nstruction Clo.sses at t heNorth ampt,on Polytechni c I nstitut.e, :31 l Radio Station at Chenju, near Shangh ai, now Completed, 369 Radio Stations to be erected a t K woiyang, Pichiehhsien, and 'T'ungjen , in Kw(lichow, China, 569 'transmission of W orking D rawings by Transatlantic Radio, 93 vVi reless an d High-frequency Bngineoring I nstru ction Classe11 a.t the Polytechn ic, :3 11 Wireless G ramophone Working in Con junct ion wit h n. Foghorn Installed on a Light house, :u 1 \ ¥ireloss 'l'elephono Service Between .Java i.md Australia Opened, 707 ·wireless Teleph one Ser vice Between Now Zealand and Australia Opened, 623 WI T BANK Power -house o[ t he Victoria F a lls and Transvaal Powe r Company, Capacity of the, 93 vVonder Gold Mine, Northern Natal, to bo Restarted , 341 W ood D istillation Industry in Belgium, 623 W ood, S. P., Death of Mr., 569 'Workshops W ithou t Windows, Advocated by Dr. E . E. Free, New York, l 73 W orld's Agricultural T ractor Trials at A rding ton, 6 World's Agricultural Tractor Trials at Ardington , Number of E ntries, 281 ·world's Copper Foundry Production in Juno, 1930, 173 y YELLOW Biroh Commerciall y the I mportan t. Hardwood in Canada, 48:3 Yorke, Sir Arthur, Retirement ft·om Directorship of the Great \ .Vestorn Railway Company, 427 Yorke, Sir Arthur, The Late, 679 u z ZE OLITE W ater-softening Units in Municipal \ ·V ater Treatment P lant at Spri ngvale, P a., 707 Zon olite, Prod~1ction Added to Canada's Manu factures, 597 • • • PBINTE D FOR TH E PBOPIU ETO.RS BY GEOBGE REVE IRS, LWITED, AT GREYSTOKE PLAOg, FE'l'Tg& LAN E, LONDON, AND PUBLISHED DY ARTBUR BONALD VAUGB.AN AT THE E NGINEER Ofi'IOE , STREET, STRAND, I N T HE PAlUSH OF ST. OLBM.ENT DANES, I N TBB OOUNTY OF JIIJ DDLESBX. -FRI DAY, JANUaRY 23, 1931. 28, BSl!EX