Photograph of an engine bay, focusing on the large circular air cleaner and radiator.
| Identifier | ExFiles\Box 13\3\ 03-page379 | |
| Date | 27th November 1931 guessed | |
| 5. | ||
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).