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).
Illegible and heavily degraded document.
| Identifier | ExFiles\Box 176\1\ img125 | |
| Date | 2nd December 1940 guessed | |
| ", | ||