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).
Photograph of an engine bay, focusing on the engine and its components.
| Identifier | ExFiles\Box 179\2\ img052 | |
| Date | 12th December 1931 guessed | |
| 1. | ||