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).
Schematic diagram showing a star spring on a B V servo.
| Identifier | ExFiles\Box 121\3\ scan0147 | |
| Date | 21th July 1941 | |
| PRESSURE PLATE INNER CAM LEVER ℄ SCHEME SHOWING STAR SPRING ON B V SERVO. Rm{William Robotham - Chief Engineer}/Hw. H.R. 21-7-41. | ||