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).
The performance of a Hardy Spicer Propeller Shaft and Petrol Tank.
| Identifier | ExFiles\Box 92\6\ scan0170 | |
| Date | 21th June 1937 | |
| -3- Rm.{William Robotham - Chief Engineer}1/AP.21.6.37 Hardy Spicer Propeller Shaft Running 15,000 miles on 32-EX. Petrol Tank No comments. Rm.{William Robotham - Chief Engineer} | ||