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 showing the internal view of an engine crankcase and oil pipe.
| Identifier | ExFiles\Box 131\1\ scan0081 | |
| Date | 8th February 1933 guessed | |
| HS.{Lord Ernest Hives - Chair} 955 | ||