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).
Instruction regarding a special short set of levers.
| Identifier | ExFiles\Box 6\5\ 05-page12 | |
| Date | 13th September 1912 guessed | |
| (2) to instruct a special short set of levers for this purpose. | ||