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).
Technical drawing with dimensions for a multi-sectioned cylindrical component.
| Identifier | Morton\M4.2\ img030 | |
| Date | 1st November 1923 guessed | |
| 28.400, 21.915, 17.182, 12.449, 7.716, 1.750, ①, ②, ③, ④, ⑤, 12 DIA:, 2.750, 1.975, 26.650, 24.166, 19.433, 14.703, 9.970, 150 R:, 2.125, .475, 1.325 | ||