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 a handwritten negative number.
| Identifier | ExFiles\Box 27\3\ Scan263 | |
| Date | 10th October 1939 guessed | |
| Negative No 3406 D | ||