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).
The return of two unused coupons following an accident.
| Identifier | ExFiles\Box 151\1\ scan0246 | |
| Date | 28th December 1941 | |
| 1282 To Hs {Lord Ernest Hives - Chair} /GB. from Rm {William Robotham - Chief Engineer} /ET. Rm {William Robotham - Chief Engineer} /ET.3/28.12.41. Please find herewith two 1 unit coupons which Hanley had not used before his accident. Rm {William Robotham - Chief Engineer} /ET. | ||