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).
Telegram regarding the air mail despatch of twelve pistons to Paris.
| Identifier | ExFiles\Box 146\5\ scan0180 | |
| Date | 26th June 1939 | |
| 1245 Rm{William Robotham - Chief Engineer}/W 26.6.39. SLEATOR, FRANCOBRIT, PARIS.86. TWELVE PISTONS DESPATCHED AIR MAIL DATA FOLLOWING. ROYCAR. | ||