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 to A.T. Speedometer Co. Ltd. concerning instrument calibration and generator specifications.
| Identifier | ExFiles\Box 165\2\ img307 | |
| Date | 26th February 1941 | |
| Rm{William Robotham - Chief Engineer}/RC.{R. Childs}1/RH.{R. Hollingworth} 26th February, 1941. A.T. Speedometer Co., Ltd., Chronos Works, North Circular Road, L O N D O N. N.W.2. Attention of Mr.Arrowsmith. Dear Sirs, Referring to your letter of the 24th. February, the calibration of the instrument should be .7916. With regard to the coupling, this will be as in your print X.56967/ii, as supplied to our design office by S. Smith & Sons. The rotation of the generator will be anti-clockwise, looking at the drive end. Yours faithfully, for ROLLS-ROYCE LIMITED, | ||