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 testing of 40/50 hp speedometers.
| Identifier | ExFiles\Box 50\4\ Scan197 | |
| Date | 20th April 1928 | |
| CONTRACTORS TO THE WAR OFFICE THE ROYAL AIR FORCE AND LEADING MANUFACTURERS. 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. {Mr Oldham} BOOTH, S. D. {John DeLooze - Company Secretary} McKELLEN. Telephone : Fulham 1422. Telegrams : Aytespeedo-Hammer, London. Your Ref. EFC {E. Fowler Clarke - Electrical Engineer} 3/T. Our Ref. GOB/W. 20th April, 1928 Messrs. Rolls-Royce Limited, Nightingale Road, Derby. Dear Sirs, re - 40/50 hp Speedometers. We are in receipt of your favour of the 19th instant and have carefully noted your remarks. We will put on test a standard instrument as at present supplied to your goodselves and as soon as the tests have been completed we will send same to you, specially labelled for you to test as suggested by your goodselves, when we trust that we will be able to come to a mutual agreement on the subject. Yours faithfully, for A.T. SPEEDOMETER CO. LTD H.O. Booth 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. | ||