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 stamped by the Print Room in Derby.
| Identifier | WestWitteringFiles\D\April1920\ Scan6 | |
| Date | 10th March 1920 | |
| ROLLS-ROYCE, LIMITED PRINT ROOM. 10 MAR. 20 DERBY | ||