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).
Diagram illustrating the design of a servo brake system.
| Identifier | ExFiles\Box 85\1\ scan0421 | |
| Date | 14th October 1938 | |
| File 206 SERVO-FREIN VOIR DESSIN : G54808 (20/25 HP) G54285 GS2130 Fig.1. Fig.2. Fig.3. PARIS 14.10.38 Ho. | ||