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).
Performance difference between the 22 HP and 48 HP chassis.
| Identifier | ExFiles\Box 41\3\ Scan351 | |
| Date | 18th July 1923 guessed | |
| contd:- -2- I fear I have not yet succeeded in impressing Sales of the enormous difference between our two chasses - one rated at 22 HP., the other at 48-HP. People seem to expect nearly equal performance. R.{Sir Henry Royce} | ||