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).
Fitting of experimental raised crown pistons to a Wraith Chassis.
| Identifier | ExFiles\Box 148\1\ scan0184 | |
| Date | 20th April 1939 | |
| 1256 Rm.{William Robotham - Chief Engineer} Sr/VA.3/ET. 20.4.39 Re fitting Raised Crown (Experimental) Pistons to Wraith Chassis (Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}10/JH 26.6.39) | ||