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).
Side view diagram of a front axle and brake drum assembly.
| Identifier | ExFiles\Box 84\2\ scan0249 | |
| Date | 21th December 1934 guessed | |
| 568A | ||