From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Letter from A.T. Speedometer Co. Ltd. regarding the recalibration of a speedometer to 795 revolutions.
| Identifier | ExFiles\Box 50\4\ Scan256 | |
| Date | 3rd November 1928 | |
| CONTRACTORS TO THE WAR OFFICE, THE ROYAL AIR FORCE AND LEADING MANUFACTURERS. +430x A.T. SPEEDOMETER CO. LD. Trade Mark. 183, The Vale, Acton, London, W.3. DIRECTORS : F. {Mr Friese} T. FISHER, H. {Arthur M. Hanbury - Head Complaints} O. {Mr Oldham} BOOTH, S. D. {John DeLooze - Company Secretary} MCKELLEN. Telephone : Chiswick 5122. Telegrams : Aytespeedo-Act, London. Your Ref. Hs {Lord Ernest Hives - Chair} /Rm {William Robotham - Chief Engineer} 2/Lr. {Mr Ellor} Our Ref. JWP/W. 3rd November, 1928 Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Expl: Dept. PATENTEES & MAKERS OF MAGNETIC SPEEDOMETERS FOR MOTOR CARS AND MOTOR CYCLES. A.T. ELECTRIC SCREEN WIPERS AND PETROL LEVEL GAUGES. MOTOR CLOCKS, TACHOMETERS, MILEAGE RECORDERS. REVOLUTION COUNTERS AND INDICATORS FOR MOTOR CARS, MOTOR BOATS, ENGINES, ETC. ALL CLASSES OF SCIENTIFIC INSTRUMENTS. REPAIRS A SPECIALITY. Dear Sirs, In reply to your letter of the 1st instant, received this morning, the nearest we can get to 795 revolutions for the Speedometer in question is 800. Will you please let us know immediately if we shall recalibrate the instrument accordingly. Yours faithfully, for A.T.SPEEDOMETER CO. LD. | ||