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 views and dimensions of a multi-journal crankshaft.
| Identifier | ExFiles\Box 23\5\ Scan064 | |
| Date | 24th January 1928 guessed | |
| 3.500, 1 & 8, 2.375, 4 & 5, 2.375R, 3 & 8, 2.263, 1.425 RAD., 2 & 7, 2.500, .250 DIA., 6, 2.500, 1.400, 7, 2.375, .225 DIA., 1.850, 1.400, .650, 8, 2.750, .200 | ||