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).
Sketches of broken front and rear plates of a Borg & Beck clutch.
| Identifier | ExFiles\Box 82\3\ scan0214 | |
| Date | 18th April 1935 | |
| 5BIV Borg & Beck Clutch 18/4/35 Front Plate all lugs broken Rear Plate three lugs broken | ||