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).
Index card listing components related to the braking system and chassis.
| Identifier | ExFiles\Box 99\3\ scan0026 | |
| Date | 27th April 1939 | |
| 427. Rm.{William Robotham - Chief Engineer} By/Ald{F. Allwood - Experimental Design} 3/AW. 27.4.39. B.V. Servo Motor & Mech. Hydraulic Master Cylinder Assy. Hand Brake Rear Brakes Inter. Shaft Frame & fittings file 406. | ||