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 document due to extreme fading and poor quality.
| Identifier | ExFiles\Box 10\4\ 04-page14 | |
| Date | 9th April 1937 guessed | |
| Illegible | ||