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).
Stamped document from the Print Room in Derby.
| Identifier | ExFiles\Box 45\2\ Scan352 | |
| Date | 21th May 1931 | |
| ROLLS-ROYCE LTD. PRINT ROOM 21 MAY 31 DERBY | ||