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).
Back-page or cover sheet with a date stamp from Derby.
| Identifier | WestWitteringFiles\W\September1931-November1931\ Scan030 | |
| Date | 6th October 1931 | |
| LIMITED P.R. C.M. 6 OCT 31 DERBY. | ||