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 supply and calibration of instruments for test beds.
| Identifier | ExFiles\Box 167\2\ img293 | |
| Date | 8th November 1941 | |
| 6103 INSTRUMENTS A.T. SPEEDOMETER Co. Ltd. Chronos Works, NORTH CIRCULAR ROAD, LONDON. N.W.2. Directors: W. Henderson-Cleland. Sir Allan Gordon-Smith, D.L. Ralph Gordon Smith. H.{Arthur M. Hanbury - Head Complaints} R.{Sir Henry Royce} Buckland. Your Ref. ........... Instrument Specialists On Admiralty Approved List for supply of Tachometers, Revolution Indicators, Counters, Speedometers, etc. Telephone: GLADSTONE 1136 (5 lines) Telegrams: AYTESPEEDO, PHONE, LONDON. Please quote our Ref. AFA/LAH........... RP 1517 Messrs.Rolls-Royce Ltd., Nightingale Road, Derby. 8th.November 1941. For the attention of Mr.Childs. Dear Sirs, With reference to your telephone call we have pleasure in enclosing herewith our drg.ATL.820 which shows a 9" instrument suitable for test bed purposes, also drg.No.300,016 which also shows a 6" and 9" instrument complete with angle drive, pedestal mounting. These instruments as already stated are being used and called for by your various departments, and used in connection with different test beds which they are producing. Regarding calibration, this can be arranged in accordance with your requirements, but we would state that if you require the drive to revolve in both directions it will be necessary for a centre zero instrument to be supplied, and we enclose herewith our catalogue in which you will see on page 10 an instrument of the type referred to. Should any further information be required we shall be only too pleased to forward same to you. Yours faithfully, pp.,A.T.Instruments Ltd., A.H.Arrowsmith ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. | ||