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 of a multi-throw crankshaft with dimensional annotations.
| Identifier | ExFiles\Box 23\5\ Scan022 | |
| Date | 23th December 1927 guessed | |
| STUTZ 3.500 1&8 2.375 2.375R 4&5 3&6 2&7 2.500 1.425 Rad 2.263 .250 DIA. 6 2.500 2.375 1.400 7 .225 DIA. 1.850 1.400 .650 8 2.750 .200 | ||