Hand-drawn sketch illustrating a fluid transfer or siphon system.
| Identifier | ExFiles\Box 72\2\ scan0073 | |
| Date | 7th May 1928 guessed | |
| Illegible | ||
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).