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).
Diagram of a mechanical linkage mechanism, labeled as Figure 2.
| Identifier | ExFiles\Box 85\1\ scan0254 | |
| Date | 16th November 1936 guessed | |
| FIG: 2. | ||