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).
Night letter cable requesting a Delco generator and a sample of a Delco twin cylinder shock absorber.
| Identifier | ExFiles\Box 19\4\ Scan283 | |
| Date | 6th January 1931 | |
| NIGHT LETTER CABLE. 6.1.31. Rolls-Royce. Springfield. Mass. U.S.A. Send latest Delco generator with thermostat controlled third brush twelve volt if possible if not available six volt. Send also at once single sample of Delco twin cylinder shock | ||