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 folder cover stamped by the Print Room.
| Identifier | WestWitteringFiles\D\May1920\ Scan62 | |
| Date | 1st August 1920 | |
| ROLLS-ROYCE, LIMITED PRINT ROOM. .3 8.20 DERBY E 1 | ||