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).
To the Paris Depot regarding the production status of Experimental Raised Crown Pistons for the Wraith chassis.
| Identifier | ExFiles\Box 146\5\ scan0193 | |
| Date | 6th July 1939 | |
| 1245 + 1256, To Paris Depot. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}12/JH.6.7.39. re Experimental Raised Crown Pistons for Wraith chassis. In answer to your memo. VA.2/ET. dated 4.7.39. these pistons are now on production, and we have passed your note on to the department concerned, who will deal with this matter. At the present time, we have no pistons available in this department suitable for Wraith or 'M' series Bentley. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||