The back of a document showing a purple ink date stamp.
| Identifier | WestWitteringFiles\T\2July1929-December1929\ Scan047 | |
| Date | 3rd September 1929 | |
| LIMITED ROOM, 3 SEP 1929 DERBY. | ||
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).