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).
Index card regarding the rear axle and propeller shaft.
| Identifier | ExFiles\Box 98\1\ scan0145 | |
| Date | 24th March 1939 | |
| H02. Rm.{William Robotham - Chief Engineer} By/Ald.{F. Allwood - Experimental Design} 1/AW. 24.3.39 B.V. IH. B.V. Rear axle + propellor shaft file 450c. | ||