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).
The different speedometer drive gearbox end for the 'SS' car compared to the standard 40/50 model.
| Identifier | ExFiles\Box 50\4\ Scan260 | |
| Date | 28th November 1928 | |
| X4308 To BY. {R.W. Bailey - Chief Engineer} Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} c. to O.O. Hs {Lord Ernest Hives - Chair} /Ra1/LG28.11.28. A.T. SPEEDOMETER DRIVES. X7310 The gearbox end of the speedometer drive on the 'SS {S. Smith} ' car is different to the standard 40/50. We attach sketch (BY. {R.W. Bailey - Chief Engineer} ) of the required new end. When ordering speedometers for SS. {S. Smith} cars, therefore, it will be necessary to specify the new driving end. Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} | ||