Advt, of the General Electric Co. Ltd., Magnet House, Kingsway, London, W .C.2 E L E C T R Ic a L R E V Ie W June 29, 1945
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Advt, of The General Electric Co. Ltd., Magnet House, Kingsway, London, W .C.2 E l e c t r ic a l R e v ie w June 29, 1945 IS AVAILABLE AGAIN FOR RISING MAINS In multi-floor factories, office build ings and blocks of flats, bare aluminium busbars have numerous advantages. Suspended in a vertical duct, they eliminate fire risk. They withstand heavy overloads. They are easily accessible for extensions as the load increases with business. They are economical in installa tion and maintenance costs. May we furnish you with the experi ence of users of aluminium busbars since 1915 ? THE BRITISH ALliMINIUM CO. LTD. SALISBURY HOUSE, LOA DON WALL, LONDON, E.C.2 Telephone : CLErkenw ell 3494 Telegrams : Cryolite, Ave, London E.I.E.R. 29.6.45 June 29, 1945 E l e c t r ic a l R e v ie w P hi VALUE OFIfctONTRAST) To a modern generation, serviced with frequent Hot baths by Heatrae, the fact that Philip of Spain never had a bath in his life may sound incredible. W e suggest one possible reason—that neither Heatraes nor Electric Power were then obtainable. Heatrae has only “ made history ” in the last 25 years. LEADERS IN ELECTRIC WATER HEATERS HEATRAE LTD ., NORWICH - PHONE: NORWICH 25131 - GRAMS: HEATRAE, NORWICH REPAIRS SOUND TERMINAL WITHOUT SOLDER TmWESTMINSTER EHG.Col.tit Victoria Road, Wlllesden ¡unction, N.W.IO ROSSCOURTNEY&C0.LM. ASHBROOK ROAD, LONDON, N.I9 BEARINGS to the specific requirements of our customers 1500 kVA Turbo Generator Stator and Rotor Entiroly Rowound Makers of all ty* pes of repetition Products from Makers of Electric Welding Machines, the bar in all Photo Printing and Process Arc Lamps. “ Partridge ” Pressure Detectors M-CL and REPETITIO N LTD. Telephone : Telegrams : Pool Lene, Langley , Birmingham. Willesden 1700-1 “ Regency, Phone, London A 2 E l e c t r ic a l R e v ie w June 29, 1945 McKechnie Non-Ferrous Ingots are uniform in composition and therefore easier to melt and handle. Froduced by a perfect plant under constant supervision to the correct analysis, the McKechnie range of Non-Ferrous Ingots covers the entire need of the Brass Foundry. McKechnie Chill Cast Bars are closer in structure than Sand Cast Bars and possess greater homo geneity and resistance with an absence of segre gation. They are clean, concentric and sound. Apart from the saving on tool costs and labour which naturally follows the use of Chill Cast as against Sand Cast Bars the saving in scrap and turnings is very considerable. MCKECHNIE BROS. Ltd Brass, Aluminium Bronzes & High Strength Brass Rods, Stampings & Non-Ferrous Ingot Metal Manufacturers Telephone : Edgbaston 3581 (7 lines) ROTTON PARK STREET, BIRMINGHAM 16 Telegrams : “ McKechnie, Birmingham ' / Ä Okoroucjkltf foundJob /or Outdoo/Jen/ice 0 All-Steel Weatherproof Cubicle with re inforced under-carriage combines excep tional strength with lightness. 150 K.w. Outdoor Weatherproof # Transportable—easily installed. Glass Bulb Rectifier. BRUCE PEEBLES & CO. LTD., ENGINEERS. EDINBURGH. 3620 June 29, 1945 E l e c t r ic a l R e v ie w 3 êuàp Wiring, minimum L O N D O N : A W Z EL L E Y MA N CUES TER GLASGOW- 73 , G R E A T P E T E R ST., B E L F A S T BURTON-ON-TRENT WESTMINSTER.SM.I BILL SWITCHGEAR LTD EXETER SOUTHAMPTON 8/RCHFIELDS - 5011 (A LIN ES) BIRMINGHAM-20 THE CONCORDIA ELECTRIC WIRE & CABLE COMPANY LIMITED' __ LONG EATON n e a r NOTTINGHAM. 29, 1945 4 E l e c t r ic a l R e v ie w June E l e c t r i c a l R e v i e w TAKE A LOT OF BEATING CROMPTON PARKINSON LIM ITED, ELECTRA HOUSE, VICTORIA EMBANKMENT, LONDON, W.C.2 Telephone : TEMple Bar 5 9 11 Telegrams : Crompark, Estrand. London 6 E lectrical Review June 29, 1945 Get into touch with your nearest Note the three fuses in the transformer, G.E.C. Branch for one to each pole on the second- 11' ary side, thus all requirements 2 complying folly with I.E.E. in Bell installation Regulations No. 210. material. G.E.C. quality is being rigorously maintained Advt. of The General Electric Co. Ltd., Magnet House, Ktngsway, W.C.2 June 2 9 , 1945 E l e c t u ic a i. R e v ie w 7 m •i«R0UGH0l/r rC\e AERO DRILLS Continuous production conditions call for sturdy machines that can be relied upon to get through a lot of hard work without fear of constant breakdown. W\cySVe tools possess these essential characteristics for such conditions, i.e. : * • iNo armatures to burn out. • Maximum possible power per lb. weight of tool. • Constant speed giving increased pro duction. The machine illustrated is one ol the many ■ : W\cy€Ve Aero Drills, capacity in steel or f" in duralumin. AIR COMPRESSORS • PNEUMATIC TOOLS • ELECTRIC TOOLS • DIESEL ENGINES • VACUUM PIMPS CONTRACTORS' EQUIPMENT • ROCK DRILLS • DIAMOND DRILLS • OIL WELL TOOL 8 E l e c t r ic a l R e v ie w June 29, 1945 SCALE and FUR on KETTLES WATER-HEATERS ETC. removed harmlessly in a short period SIMPLY ADD KILMARNOCK “Fur-offit” POWER to the hot water in the utensil and the mixture does the rest STATION QUANTITIES OF APPLIANCES CAN BE TREATED IN A BATH nternational C o m b u s t io n L im it e d . OF THE LIQUID . I were responsib.e for receat exten sions at this stat:on, including five SAVE FUEL 150,000 lb. per hour stoker fired by boilers for a s'eam pressure of 420 Ibs./sq. inch and temperature using scalefree utensils of 800 F. together with ash handling Send P.O. for I 6 for sample bottle plant and- com prehensive coal including postage and packing handling plants of a total capacity DRAKE & GORHAM of 180 tons per hour. WHOLESALE LTD. INTERNATIONAL 77 LONG ACRE, LONDON, W.C.2 Telephone : TEMple Bar 3993 M AN CHESTER—29 Piccadilly. COMBUSTION LTD. B R IG H TO N —24 Marlborough Place. GLASGOW —182 St. Vincent Street. BRISTOL—2 & 4 Church Street, Temple. NINETEEN WOBURN PLACE DUBLIN—2 Church Lane, College Green. LONDON * W .C . I Midland Representative : W . T. B O W E R , 184 Jockey Road, Sutton Coldfield June 29, 1945 E l e c t r ic a l R e v ie w 9 P o rtab le D.C. Power Supply Engine Driven C.P. Battery Charger Portable High Rate Battery Booster Motor Generator Battery Charger CRYPTON EQUIPMENT LTD • »Ï.'Æ • GEORGE STREET • BRIDGWATER • SOM. Aisecieted C om pen ltt : Lancashire Dynamo * Crypto Ltd., Foster Transformer* ft Switchgear Ltd. 10 Electrical R e v i e w June 29, 1945 OVERHEAD LINE FITTINGS Cone Type Mid-span Tension Joint for Steel Cored Aluminium Con ductors of '15-’ 175 sq. in. copper equivalent section. Cone Type Tension Clamps for Steel Cored Copper Conductors of 025- 075 sq. in. copper equivalent section. Aluminium Repair Sleeve for Steel Cored Aluminium Conductors up to 175 sq. In. copper equivalent section. Non Tension Joint for Steel Cored Aluminium Conductors from 'I up to '175 sq. In. copper equivalent section. A small selection from the range of Overhead Line fittings of the well-known British Ropes design, which are now manufactured in our own shops. Quick deliveries of many types can be offered from components in stock. Prompt quotations for standard or special designs. O u r experience Is at your disposal. T E L EG R A M S TELEPHONE “ PIGEKAYBEL SOUTHAMPTON SOUTHAMPTON" 2141 (S LINk>). I i k e l l i - l I e n e r a L CABLE WORKS, Ltd., SOUTHAMPTON. June 2 9 , 1945 E l e c t r ic a l R e v ie w 11 0 // 7 V ★ Gives a permanent printed record of the average demand over a succession of demand periods. Let us help you with your problems of sum mation and maximum demand metering. FERRANTI L t d ., HOLLINWOOD, L a n c s . LONDON OFFICE: KERN HOUSE, KINGSWAY, W.C.2. 12 E l e c t r ic a l R e v ie w June 2 9 , 1945 INTO THE LIGHT . N and after July 15th, 1945, normal peacetime street lighting O may again be used wherever installations are serviceable. Authorities have been advised to restore their installations and to replace damaged equipment so that the streets may again be reasonably safe at night during the coming Autumn and Winter. REVO Street Lighting Specialists will gladly assist in the preparation of schemes—large and small. Catalogue of Fittings and equipment for use with Tungsten, Mercury or Sodium Discharge Lamps can be supplied on request. STREET LIGHTING EQUIPMENT STANDARDS • BRACKETS • FITTINGS REVO ELECTRIC CO. LTD..TIPTON.STAFFS June 29, 1945 E l e c t r ic a l R e v ie w 13 Ureful Underground Dirconnccting Boxer 2-way Underground Discon necting Box fitted with Our special study of all pro wedge type links. blems relating to underground distribution has enabled us to build up a range of Under ground Disconnecting Boxes to meet all the usual re quirements of the Distribution Engineer and yet maintain a high degree of standard sation, thereby reducing stocks of 3-way Right Angle Under ground Box Disconnecting components and increasing on Tee only. interchangeability. The boxes llustrated are typical o fth e very w d e range available.