Blueprint showing two cross-sectional views of a mechanical component with dimensional annotations.
| Identifier | ExFiles\Box 12\1\ 01-page107 | |
| Date | 19th November 1928 guessed | |
| N. SCH 2635- s t d | ||
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).