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).
Drawing of a crankshaft end, detailing the clutch lining and mounting studs.
| Identifier | Morton\M4.2\ img033 | |
| Date | 1st November 1923 guessed | |
| 2.375, 0.750, 3 x 4, 2.750 RAD., 1 x 6, 2 x 5, CLUTCH LINING, 1.625 WIDE X, .250 THICK, 13.500, CRANKSHAFT., - VIEW IN DIRECTION OF ARROW -, 12 - .375 DIA: STUDS, EQUALLY SPACED. | ||