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).
Page with the handwritten number 441 at the top.
| Identifier | ExFiles\Box 4\7\ 07-page01 | |
| Date | 17th August 1910 guessed | |
| 441 | ||