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).
Cross-sectional diagram detailing the construction of a Borg & Beck clutch disc.
| Identifier | ExFiles\Box 130\3\ scan0161 | |
| Date | 15th November 1941 | |
| DISC 'A', HUB FLANGE, RIVETED COLLAR, DISC "B", CONSTRUCTION OF BORG & BECK, CLUTCH DISC, Rm{William Robotham - Chief Engineer}/G.C, 15/11/41 | ||