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Electrical Contractors Vol. CXXXVII No. 3532 AUGUST 3, 1945 9d. WEEKLY . Here’s something good M ETAL C APS are fitted inH.R.C. fuses under great pressure. N o cenrtent is used. FILLING is of powdered silica which fuses with the non-deteriorating silver element and quenches POUTECHNIKI THE PATENT INDICATOR is a bead secured by a fine high resistance wire. Fusing ejects the bead. THE CARTRIDG E Is of special ceramic material made in the M.E.M. “ Kantark ” H.R.C. Fuses can M.E.M. pottery. be used in existing M.E.M. fuseboards. WRITE FOR LIST NO. 270 FOR FULL DETAILS “KANTARK” H.R.G. FUSES MIDLAND ELECTRIC MANUFACTURING CO. LTD., TYSELEY, BIRMINGHAM, 11 London Showrooms and Stores : 21-22 Rathbone Place, London, W .l Manchester Showrooms and Stores : 48-50 Chapel Street, Salford,3 E lectrical Review August 3 , 1 9 4 5 Driving one of Britain’s largest cement kilns* The Crompton Parkinson Motor shown above has given many years’ reliable service in its testing job. In designing large motors to meet the requirements of the drive, Crompton Parkinson are able to apply experience dating from the very foundation of the electrical industrv. jHHl tRom PTon^pnRKinson LIMITED ELECTRA HOUSE, VICTORIA EMBANKMENT, LONDON, W.C.2 and B ranches August 3, 1945 E l e c t r ic a l R e v ie w 1 hard lines on hard water Because we do not consider the acquisition of‘‘Fur Coats” conducive to the welfare of Electric Water Heaters, we are developing the use of Monel for ALL Heatraes as soon as possible, thus ensuring yet greater“ Intestinal Fortitude” — known vulgarly by a more concise word. Monel is better able to with­ stand the ravages of hard w ater ; any scale deposit is more easily removed and no re-tinning is necessary because Monel need not be tinned. leaders in eledric w ater heaters HEATRAE LTD., NORWICH • PHONE : NORW ICH 25131 • GRAMS : HEATRAE, NORW ICH Sole Manufacturers of “WESTMINSTER” ARC LAMPS THE “ FACILE” For TERMINAL Photography Send for Prices and and List of all Medical k inds of Terminals purposes ROSS COURTNEY *Lf S i M A K ER S O F— ASHBROOK ROAD, LONDON, N. 1» Electric Welding Machines and Patent Scaling Machines. Spot, Seam and Butt Welders. ** W estminster ” Carbon Brush H o ld e rs. ** Partridge ” Earthing Devices and Pressure Detectors. CHOKE SCREWS' Dynamos, Motors, Alternators and Transformers Rewound to the specific requirements of and Re-constructed our customers. Telephone: Willesden 1700, 1701 Makers of all ty­ Telegrams : “ Regency, Phone, London ” pes of repetition products from the bar in all The WESTMINSTER metals ENGINEERING CO. LTD. M C L and R E P E T IT IO N LTD. VICTORIA ROAD, WILLESDEN JUNCTION Pool Lane. Langley, Birmingham. LONDON, N.W.IO A 2 E l e c t r i c a l R e v i e w A u gu st 3 , 1 9 4 5 EVERYTHING HAD A BEGINNING— N D, when the telephone was still in its infancy, we made the f i r s t electricalA batteries and lit the Royal Exchange, the Royal Mint and other important buildings. Since then we made the f i r s t electrical accumulators to be fitted to Br i t i s h a i r c r a f t also the f i r s t British g r o u n d s t a r t e r Batteries, and the f i r s t British m o u l d e d b a t t e r y c o n t a i n e r s . When you see those bomber engines leap into action, or the navigation lights of night-flying aircraft, you can be certain that the energy is provided as a direct result of those pioneer days, which commenced in 1882, when P. & G. and E.P.S. produced the first commercial accumulators. ‘M r. Watson, please come here ; I want you’ was the first telephone message ever transmitted, and this illustration shows the instrument invented, and REPLATING—Ensure long and reliable service used on that memorable occasion in the year 1875, by Alexander Graham Bell. by having your present batteries replated by us. PRITCHETT & GOLD and E .P .S. CO. LTD . — formerly the Electrical Power Storage Co., Ltd. — MADE THE FIRST BATTERIES PGI63/44 G rosvenor Gardens, London, S.W.l. Phone: SLOane 7164. Grams: Storage,Sowest, London Many thousands of Peebles Pole Mounting Transformers are efficiently serving the rural districts of the nation and in countries overseas. Their unvarying reliability season after season,during stormy weather, with temperatures below zero, or in the hottest days of summer, ensures an unfailing supply of power to large numbers of villages, hamlets and farms. PROVED IN PRACTICE ALL OVER THE W ORLD BRUCE PEEBLES & CO. LTD. ENGINEERS EDINBURGH Manufacturers of all sizes and types of Rotating •Electrical M achinery.Tfansformersand Rectifiers 3561 August 3, 1945 E l e c t r ic a l R e v ie w 3 THE SMALLEST TRIPLE POLE SWITCHFUSE EMINENTLY SUITABLE FOR MACHINE TOOLS (¡ | j ) RflDETTE. 10Amperes. 500volts. Catalogue N°Qi438 BILL SWITCHGEAR LTD LONDON A.WZELLEV, ASTON LANE, PERRY BARR ’ MANCHESTER GLASGOW 73 GT PETER ST. BELFAST WESTMINSTER S.W.I. BIRMINGHAM-20 BURTON-ON-TRENT PHONE. BIRCRIIEXbS 5011 CRAMS 8 ILSWITCH B'HAM ANY PROBLEMS ? We can design whatever you need in unusual electrical equipment OFFICES & WORKS : ST. MARY CRAY, KENT & BRIDGWATER, SOM. 4 E l e c t r ic a l R e v ie w August 3, 1945 LAMINATIONS Brands : “ STALLOY,” "MEDIUM RESISTANCE." “SPECIAL LOHYS," " LOHYS " JOSEPH SANKEY & S O N S Lt d ., BILSTON L O N D O N : 168 R e g e n t Street, W.| August 3, 1945 E l e c t r ic a l R e v ie w 5 TRADITIONAL RELIABILITY ELECTRIC MOTORS BTH MOTORS AND CONTROL GEAR used in all industries throughout the world. SPECIFY BTH BTH RUGBY T H E BRITISH THOMSON-HOUSTON COMPANY LIMITED. RUGBY. ENGLAND A3461 E lectrical Review August 3, 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 C opper Conductors of '025-'075 sq. in. copper equivalent section. Aluminium Repair Sleeve for Steel Cored Alum inium 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 ot many types can be offered from com ponents in stock. Prom pt quotations for standard or special designs. Our experience is at your disposal. TELEPHONE 0 I telegrams SOUTHAMPTON 1 2141 (5 LINES). i r e l l i -U e n e r a L SOUTHAMPTON - CABLE WORKS. Ltd., SOUTHAMPTON. August 3, 1 9 4 5 E l e c t r ic a l R e v ie w 7 Robert Sharp Partner! C35 E l e c t r ic a l R e v ie w August 3, 1945 SCALE and FUR on KETTLES A CASES SPECIALLY DESIGNED WATER-HEATERS We will gladly co-operate in designing and producing models ETC. exclusive to you. removed harmlessly CASES OF STANDARD DESIGN in a short period For the first time you can now buy IMHOF Cases designed to S IM P L Y A D D fulfil a specific purpose from stock. “Fur-offit” t f L CASES TO YOUR. SPECIFICATION W r Imhof’s are fully equipped to to the hot water in the utensil build cases of all types to rigid specification and to close limits. and the mixture does the rest A postcard will reserve for you a copy QUANTITIES OF APPLIANCES of our entirely new 16pp. catalogue CAN BE TREATED IN A BATH now in preparation. OF THE LIQUID . SAVE FUEL by i ■ using scalefree utensils Send P.O. for I /6 fo r sample bottle Including postage and packing DRAKE & GORHAM WHOLESALE LTD. 77 L O N G A C R E , L O N D O N , W .C.2 Telephone : TEMple Bar 3993 MANCHESTER—29 Piccadilly. BRIGHTON— 24 Marlborough Place. GLASGOW—182 St. Vincent Street. BRISTOL—2 & 4 Church Street, Temple. DUBLIN—2 Church Lane, College Green. Midland Representative : W. T. BOWER, 184 Jockey Road, Sutton Coldfield August 3, 1945 E l e c t r ic a l R e v ie w 9 A.C. supplies stabili sed by this simple and static apparatus The Westinghouse A.C. voltage changes in either load or mains, stabiliser provides an undis­ compensation being complete torted output voltage wave within \ to 1^ cycles of the over a wide range of load, with supply. the output held within fine limits in spite of simultaneous Standard sizes from 80 to 1,200 variations in both input voltage V.A. for use on 190/260 volts and load. It responds very single-phase 50 c.p.s. A.C. rapidly indeed to sudden supplies. “STABILISTOR” THE WESTINCHOUSE A.C. VOLTAGE STABILISER WESTINCHOUSE BRAKE & SIGNAL CO. LTD.» Pew Hill House, Chippenham, Wilts. 10 Electrical Review August 3 , 1 945 A rtew era of brightness in the home, office and factory i Brightness, cheerfufness, cieanii- ness, fresh air, good health andgood lighting are the order of theday.
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