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).
Blueprint showing two cross-sectional views of a mechanical engine assembly.
| Identifier | ExFiles\Box 152\2\ scan0015 | |
| Date | 6th July 1937 guessed | |
| FIG. A | ||