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).
Concerning engine smoke on a Supermarines aircraft.
| Identifier | ExFiles\Box 5\1\ 01-page172 | |
| Date | 16th July 1933 guessed | |
| Gos 3 Engine Supermarines Smoke due to oil running down guides Warm | ||