Multi-view engineering drawing of a piston-like component with internal fins.
| Identifier | ExFiles\Box 119\3\ scan0171 | |
| Date | 18th August 1931 guessed | |
| F 52 | ||
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).