The reverse side of a document with a faint pencil sketch and a stamped mark.
| Identifier | ExFiles\Box 29\1\ Scan296 | |
| Date | 10th May 1920 | |
| ROLLS-ROYCE LIMITED. PRINT ROOM 4 10 MAY 1920 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).