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).
Indicating the location of previous correspondence files.
| Identifier | ExFiles\Box 11\1\ 01-page01 | |
| Date | 3rd March 1933 guessed | |
| For previous correspondence see X700 Files in Strong Room. | ||