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).
Reference note pointing to previous correspondence files.
| Identifier | ExFiles\Box 59\1\ Scan026 | |
| Date | 18th January 1932 guessed | |
| X6 045. For previous correspondence see X.5783 and X.8783. | ||