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).
Blank document page with a red 'Patent Room, Filed' stamp from Derby.
| Identifier | WestWitteringFiles\S\June1928-August1928\ Scan056 | |
| Date | 23th June 1928 | |
| PATENT ROOM, FILED 23 JUN 1928 DERBY. | ||