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).
Internal room stamp from Derby on an otherwise blank page.
| Identifier | ExFiles\Box 25\3\ Scan256 | |
| Date | 25th April 1927 | |
| ROLLS-ROYCE INT ROOM, 25 APR 1927 DERBY. | ||