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 detailing the dimensions and specifications of a crankshaft.
| Identifier | ExFiles\Box 179\3\ img110 | |
| Date | 31th January 1932 guessed | |
| CRANK-SHAFT SCA STROKE 3.456" THROW 1.728" = 44 M/M ...5" A 1.340" 1.400" .800" | ||