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 diagrams with notes illustrating wear on a mechanical component.
| Identifier | ExFiles\Box 82\1\ scan0219 | |
| Date | 23th August 1933 guessed | |
| looking into lower bearing from underneath The dark line shows when a ridge has been worn into the metal. load. The load of the contact blade and the action of the cam tries to tilt the lower over. On the inside of box a ridge has been worn on this side. | ||