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).
List of design modifications and features for various vehicle components, continued on page 2.
| Identifier | ExFiles\Box 169\4\ img141 | |
| Date | 16th January 1933 guessed | |
| -2- (18) D.O. design of undersheets. STEERING. (19) Side steering tube, stronger rated springs. FRONT AXLE. (20) Improved brackets for control. (21) Woodhead road springs. ROAD WHEELS. (22) Rudge Whitworth. CLUTCH CASE. (23) Improved breather. PROPELLER SHAFT. (24) Vibration damper. GEARBOX. (25) Improved 2nd. speed, modifications to other gears. REAR AXLE. (26) New axle gears. (27) Improved design for thrust in differential. (28) Improved toggle shafts. (29) Woodhead Road Springs. (30) Lubricating pipe to be fitted to rear of axle for supplying damper arm. BIJUR LUBRICATION. (31) Improved oilways to rear spring shackle. | ||