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).
Photograph showing the internal components of a drum brake assembly.
| Identifier | ExFiles\Box 125\1\ scan0231 | |
| Date | 29th March 1935 guessed | |
| 2251 | ||