Query regarding the revolutions per mile for standard P.2. and 20/25 A.T. speedometers.
| Identifier | ExFiles\Box 59\2\ Scan091 | |
| Date | 3rd December 1930 | |
| X4308. Ey/Cgh. {W Clough} from EFC. {E. Fowler Clarke - Electrical Engineer} EFC {E. Fowler Clarke - Electrical Engineer} 2/AD3.12.30. X.4308. A.T. SPEEDOMETERS. Will you please let me know the revolutions per mile at which we are at present ordering standard P.2. and 20/25 speedometers. EFC. {E. Fowler Clarke - Electrical Engineer} | ||
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).