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).
Unreadable document due to extreme image degradation and noise.
| Identifier | ExFiles\Box 176\2\ img319 | |
| Date | 11th December 1940 guessed | |
| Unreadable | ||