HIGH-VOLTAGE SWITCH-HOUSE Vol. CXXXIX. No. 3588 AUGUST 30
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HIGH-VOLTAGE SWITCH-HOUSE Vol. CXXXIX. No. 3588 A U G U ST 30, 1946 9d. W E E K L Y 2 E l e c t r ic a l R e v ie w August 30, 1946 CANTERBURY CATHEDRAL Commenced in 1070 by Arc!.bishop Lanfranc. It con tains relics of the murdered Thomas a Becket. and the tomb of the Black Prince GRYSE MADE IN ENGLAN D F I FTY YEARS OF QUALITY & SERVICE t e d BIRMINGHAM BURY ST EDMUNDS LEEDS LONDON BRIGHTON CARDIFF LEICESTER MANCHESTER BRISTOL GLASGOW LIVERPOOL NEWCASTLE CRYSELCO LIMITED, KEMPSTON WORKS, BEDFORD August 30, 1946 E l e c t r ic a l R e v ie w 96-TON STATOR FOR A PARSONS 33,000-VOLT TURBO-ALTERNATOR BEING UNLOADED FROM THE FREIGHTER “ CITY OF BARCELONA” AT TABLE BAY HARBOUR, SOUTH AFRICA C. A. PARSONS & C? LTD HEATON WORKS, N E WC ASTL E U PO N TY N E 6 LONDON OFFICE: 56 VICTORIA STREET, S.W.I August 30, 1946 4 E l e c t r ic a l R e v ie w M l ROTHmiLL CABLE INSULATING PAPER AUCHMUTY S LONDON MANCHESTER BIRMINGHAM b w I » - 116 SCOTLAND E.C.4 C orp oration'stre«t Colmore Row 5 August 30, 1946 E ie c t r ic a l R e v ie w /<b\ industrial m y ELECTRIC TIMER Designed to with stand frequent and ar duous service in indus try, the BTH Timer has two ranges, namely from 5 seconds to 5 minutes (in 5 sec. steps) and 20 seconds to 20 minutes (in 20 sec. steps). It is controlled by any form of pilot switch or push button and will give lasting,trouble-free service. 1 r Write for list No. 5642-5 ■___ r u g b y ÀBTH I August 30, 1946 6 E l e c t r ic a l R e v ie w ★ things you can do with the PREMIER PYLON * PUT IT ON CIRCUIT AND LEAVE As a test, Premier Pylon Kettles, IT FOR A WEEK, A MONTH OR withoutwater, have been on cir AN INDEFINITE PERIOD cuit for no less than 5,000 * SWITCH IT ON WITHOUT WATER continuous hours, during which ★ ALLOW IT TO BOIL DRY AGAIN time the safety device has op A N D A G A IN erated over 100,000 times. ★ AFTER ALL THIS THE KETTLE WILL After all this the kettles con BOIL AS USUAL ON BEING FILLED W IT H W A T E R tinued to work normally. FOR A.C. CIRCUITS ONLY PREMIER ELECTRIC HEATERS LTD., BIRMING w . u ____________________ 9 August 30, 1946 E l e c t r ic a l R e v ie w 7 N o t a n e w SECREf/VllEAPON bu t th e terminal of a Sturtevant Pneumatic Message Tube Installation in use at a factory where saving of time and reliability of a mechanical messenger service are recognised essentials to an efficient establishment. Sturtevant Pneumatic Message Tubes handle letters, orders, drawings, despatch notes, small tools, and other small articles, and send them at a high speed at any moment of the day between points up to one mile or more apart, such as from central office to works, stores, receiving and despatch departments and other sections. Can you save time, labour and money in your business 1 Our publications U.I902 and U.I904 describe and illustrate the system. S t u r t e v a n t engineering Co . L t d . 2 5 .W o r c e s t e r Ro a d , S u t t o n .S u r r e y . E l e c t r i c a l R e v ie w August 30, 1946 ill// / , // CONDUIT TUBE METALLIC SEAMLESS TUBE CO. LTD., LUDGATE HILL, BIRMINGHAM Phone: CEN 7167. Crams : " Flask," Birmingham. Sales Depots London : 8S Goswell Road E C 1 Newcastle- on-Tyne : St. John Street. Leeds : 5 York Place. Swansea: 1 Grove Place. Glasgow : n ia St. Vincent Street MS. 1 August 30, 1946 Electrical Review Our products for the Radio Industry range from the tallest steel radio towers to o.ooi fxF capacitors. If you’re not inter ested in monsters or midgets we make a lot of other things besides, including every type of PRODUCTS cable and wire used in radio work. You get the benefit of 60 odd years research and man ufacturing experience when you specify B. I. Callender’s. BRITISH INSULATED CALLENDER’S CABLES LIMITED NORFOLK HOUSE, NORFOLK STREET, LONDON W.C.2 |0 E lectrical Review August 30, 1946 SELf - LUBRICATING B R O X1 Z 1 B E A R I N G S Contain sufficient lubricant to meet wide variations of speed and load over protracted periods of actual service. The accuracy of the finished dimensions can be maintained to closer tolerances than possible with machined bearings. THE MANGANESE BRONZE &BRASS CO. I l l) HANOEORD W ORKS, IP S W IC H telephoneipsw.ch 2127 telecrams "bronze ioswich August 30, 1946 E l e c t r ic a l R e v ie w 11 E E FERRANTI FERRANTI LIMITED HOLLINW OOD - LANCS London OFFice KERN HOUSE • KINGSW AY • W.C. 2 meters 1 2 E l e c t r ic a l R e v ie w August 30, 1946 OIL-PROOF PETROL-PROOF NON-AGEING NON-INFLAMMABLE OR M i M l i (QW) LIKE A BATTLESHIP- BUILT TO TAKE IT Study these special ALKLUM features : ★ All-Steel welded container. ★ Active material enclosed in perforated steel pockets. ★ Alkaline electrolyte does not damage any component part of the battery. 'k Freedom from deterioration when not in use. ★ Simple to operate and inex pensive to maintain, Complete equipments of separate unit or self-contained cubicle type, including Battery rectifier, automatic gear and all details. Special equipments for use with supervisory control gear. Send your enquiries to the Switchgear Battery Specialists— Britannia Batteries Ltd.. 46 Victoria Street. London, S.W .I A70/46A August 30, 1946 E l e c t r ic a l R e v ie w 13 FUEL ECONOMY.. PROTECTED efficient, silent reliable, compact power unit, giving untiring service BROOK MOTORS LTD HUDDERSFIELD ENGLAND E l e c t r ic a l R e v ie w August 30, 1946 14 August 30, 1946 E l e c t r ic a l R e v ie w 15 'esigned for service AUTOMATIC TELEPHONE EXCHANGES Including the following types in all parts of the world Trunk T.A.X. Main M.A.X. Rural R.A.X. D Y close attention to technical detail Unit U.A.X. the Company has maintained its position in the forefront of Telecom Private P.A.X. munication Engineers throughout its Private Branch P.A.B.X. long experience. Its products enjoy a world-wide reputation for sound design and technical excellence. MANUAL EXCHANGES of all types The Company undertakes the supply and installation of complete Auto- maticand ManualTelephone Exchanges CARRIER TRANSMISSION EQUIPMENT for Public and Private service. Auto matic and Manual Trunk Exchanges, all types of Telephone Cables for TELEPHONE INSTRUMENTS Trunk and Local Service, Carrier of all types Transmission Equipment and Cables, Kadio Equipments for Ships. TELEPHONE SWITCHING EQUIPMENT PROTECTIVE DEVICES RELAYS TELEPHONE CABLES, WIRES & CORDS LOADING COILS MARINE RADIO EQUIPMENT SHIPS' TELEGRAPHS & TELEPHONES CELLS & BATTERIES Dry, Fluid and Inert ★ 16 E l e c t r ic a l R e v ie w August 30, 1946 but for good seeing—indoors and out—you need BENJAMIN LIGHTING The Benjamin organisation is maintained to provide a comprehensive service dealing with every kind of industrial lighting from the production of reflectors specially suited for each purpose to their application to specific lighting problems. The Benjamin Engineer in your district will gladly help you with information or advice. BIN7AMJN i THE BENJAMIN ELECTRIC LTD • BRANTW00D WORKS • TOTTENHAM LONDON N. 17 J ^ Telegrams: “ Benjalect, Southtot, London.” Telephone: Tottenham 5252 (5 lines) A 17 August 30, 1946 E l e c t r ic a l R e v ie w Multi-way Distribution Board FOSTER TRANSFORMERS & SWITCHGEAR ltd (INCORPORATING FOSTER ENGINEERING COMPANY! SOUTH WIMBLEDON. LONDON. S.W.I9 A t August 30, 1946 18 E l e c t r ic a l R e v ie w Ellison Engineers have had considerable experience in the problems involved in starting electrically driven pumps and have designed a range of equipment to cover every requirement. They will willingly help in the choice of starting gear and demonstrate the advan tages of the Ellison range. G eorge E llison LIMITED BIRMINGHAM 22 B ENGLAND August 30, 1946 E l e c t r ic a l R e v ie w 19 It feems hardly poffible that fuch tools as thif were ufed for fcrewing in fcrews by the thoufand. Nevertheleff they were. Fo filly ! Thank goodneff we know that for repetition affembly the fenhble way is to ufe fmall power tools and fo fave time, fatigue and l.f.d. Thofe poor perfons of a paft era never knew of Defoutter Tools. How fad! Are you not forry for them? (Pleafe do not fend meffages to fay that our ufe of f ’s if miftaken. We don’t give a faufage.) OESOUTTER. Specialists in Lightweight, Pneumatic and Electric Portable Tools. DESOUTTER BROS. LTD. (DEPT. R ) T H E H Y D E. H EN D O N , LONDON, N .W .9 .