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 of a crankshaft.
| Identifier | ExFiles\Box 63\4\ scan0078 | |
| Date | 13th August 1919 | |
| [ "E76878 CRANK SHAFT.", "3.800'", "1.880'", ".975", "1.125", "1.500", "2.125"", ".025", ".825", "2.625", "4.000", "2.750 CRANK RADIUS", "TRH 13/8/19" ], | ||