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).
Concluding statement regarding the release of information pending application completion and publication.
| Identifier | ExFiles\Box 147\1\ scan0248 | |
| Date | 31th July 1937 guessed | |
| further information regarding the above until or unless the applications are completed and published. | ||