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 Experimental Department asking how many Certificates of Security are required for the new year.
| Identifier | ExFiles\Box 27\3\ Scan376 | |
| Date | 28th November 1939 | |
| 1204 L. Podd TO: Exp. Dept. D/DL28.11.39. Certificates of Security In view of changed conditions, will you please let me know how many certificates you will require for issue on January 1st 1940. M.{Mr Moon / Mr Moore} D.{John DeLooze - Company Secretary} [Stamp] EXP. DEPT. RECEIVED | ||