Photograph of an installed inline-six engine, showing the carburettor, air intake, and distributor.
| Identifier | ExFiles\Box 13\4\ 04-page082 | |
| Date | 23th December 1932 guessed | |
| 13 JS {Mr Johnson's Secretary} | ||
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).