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 temperature variation in their instruments.
| Identifier | ExFiles\Box 50\4\ Scan115 | |
| Date | 12th May 1927 | |
| X4308 A.T. SPEEDOMETER CO. LTD. Trade Mark 20, Avonmore Road, West Kensington, London, W.14. DIRECTORS F. {Mr Friese} T. FISHER, H. {Arthur M. Hanbury - Head Complaints} O; BOOTH, S. D. {John DeLooze - Company Secretary} MCKELLEN Telephone: Western 1422. Telegrams: Aytespeedo-Hammer, London. Ex/Pl. Dept. Your Ref. HS {Lord Ernest Hives - Chair} /RML/LG. Our Ref HOB/W. 12th May, 1927. SUPPLIERS TO THE ROYAL AIR FORCE WAR OFFICE, AND LEADING MANUFACTURERS. PATENTEES & MAKERS OF MAGNETIC SPEEDOMETERS FOR MOTOR CARS AND MOTOR CYCLES. MOTOR CLOCKS, TACHOMETERS, MILEAGE RECORDERS REVOLUTION COUNTERS AND INDICATORS FOR MOTOR CARS MOTOR BOATS, ENGINES, ETC. ALL CLASSES OF SCIENTIFIC INSTRUMENTS. REPAIRS A SPECIALITY. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, We have your esteemed favour of the 11th instant and quite appreciate the necessity that our Speedometers should allow for temperature variation and we are quite confident the instrument we are sending you within the next day or two will give you every satisfaction. Yours faithfully, for A.T. SPEEDOMETER CO. LTD. [Signature] | ||