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).
Hand-drawn schematic diagram of a piping or lubrication system for a multi-cylinder engine.
| Identifier | WestWitteringFiles\R\January1928-March1928\ 29 | |
| Date | 9th January 1928 guessed | |
| ", | ||