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).
Extremely faded and illegible document, possibly a technical drawing.
| Identifier | ExFiles\Box 90a\4\ Scan203 | |
| Date | 29th April 1929 guessed | |
| Illegible | ||