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 back of a document with a purple ink date stamp.
| Identifier | ExFiles\Box 14\8\ Scan145 | |
| Date | 14th June 1929 | |
| RECEIVED 14 JUN 1929 DERBY. | ||