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).
Title page for a document about contact points.
| Identifier | ExFiles\Box 46\3\ Scan256 | |
| Date | 13th March 1923 guessed | |
| CONTACT POINTS --- --- --- | ||