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).
Front view diagram of a clutch casing with dimensions and component callouts.
| Identifier | ExFiles\Box 126\1\ scan0076 | |
| Date | 24th January 1938 guessed | |
| Exs. 399 1.600 DIA 2 BOLT HOLES POINTER FOR TIMING 2 TAPPED HOLES FOR STARTER MOTOR .625 3.250 6.500 2.500 4 TAPPED HOLES 2 HOLES FOR DOWELS TO CYLINDER BLOCK .500 DIA: 2 RIBS ON INSIDE OF CASE .250 THICK FRONT VIEW OF CLUTCH CASING | ||