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).
Specification document detailing the weight, length, and diameter of a Graham Propellor Shaft.
| Identifier | ExFiles\Box 88\3\ scan0100 | |
| Date | 22th January 1935 | |
| COPY 22.1.35. Graham Propellor Shaft. Total weight of propellor shaft 15 lbs. 1 oz. Length of shaft from pin centres 47.312" Dia. of tube 2.500" | ||