Purple ink stamp from the Print Room in Derby.
| Identifier | ExFiles\Box 27\3\ Scan261 | |
| Date | 10th October 1939 | |
| ROLLS-ROYCE LTD PRINT ROOM OCT 10 1939 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).