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).
Hand-drawn sketch of a lever mechanism with an aluminium heel plate and a cross-section of a vertical link.
| Identifier | ExFiles\Box 37\3\ scan 049 | |
| Date | 30th June 1919 guessed | |
| aluminium heel plate. SECTION OF VERTICAL LINK | ||