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).
Drawing of a special rig steering cam.
| Identifier | ExFiles\Box 159\6\ scan0021 | |
| Date | 12th July 1937 guessed | |
| DOTTED LINE SHOWS EXISTING SHAPE. SPECIAL RIG STEERING CAM. | ||