Hand-drawn diagram illustrating a servo-assisted hydraulic braking system.
| Identifier | ExFiles\Box 110\1\ scan0022 | |
| Date | 24th October 1940 | |
| To FRONT BRAKES MASTER CYLINDER TO REAR BRAKES R-R. {Sir Henry Royce} SERVO-ASSISTED HYDRAULIC BRAKES 24/10/40 | ||
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).