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 to Armstrong Patents concerning the despatch of dampers and piston rings.
| Identifier | ExFiles\Box 152\2\ scan0222 | |
| Date | 11th July 1940 | |
| 1293 - 11.7.40. ARMSTRONG PATENTS. BEVERLEY. YORKS. DAMPER DESPATCHED PASSENGER TRAIN TONIGHT STOP PISTON RINGS NOT REQUIRED STOP REQUIRED BACK URGENTLY. ROBOTHAM ROYCAR | ||