Cutaway blueprint diagram of a mechanical component with lettered and numbered callouts.
| Identifier | ExFiles\Box 102\1\ scan0220 | |
| Date | 12th October 1934 guessed | |
| L, N, G, H, I, J, K, M, O, F, A, B, C, E, P, D, 1, 2, 3, C.T.S. | ||
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).