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 showing two views and dimensions of a clutch casing.
| Identifier | ExFiles\Box 126\1\ scan0075 | |
| Date | 24th January 1938 guessed | |
| Exs. 398 GENERAL THICKNESS OF METAL .225 2 BOLT HOLES. BREATHER PLATE RIVETTED TO CASING. BOSS FOR AUXILIARY SHAFT 4 STUDS. 7.000 9.750 15.000 9.250 .225 CLUTCH CASING. | ||