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).
Brief typed memo concluding a discussion on horsepower standards.
| Identifier | ExFiles\Box 4\7\ 07-page17 | |
| Date | 21th January 1920 guessed | |
| are likely to be more difficult to adopt and keep in good order. Our standard of H.P. is likely to be fixed at a higher amount than the present B.H.P on road wheels. F.H.R. | ||