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 and description of the Center-Control Steering improvement for Knee-Action Wheels.
| Identifier | ExFiles\Box 173\1\ img120 | |
| Date | 26th January 1934 guessed | |
| OLD CENTER OF STEERING ACTION STEERING FORK NEW STEERING FORK CENTER NEW STEERING STEERING FORK CENTER-CONTROL STEERING Important improvement made possible by Knee-Action Wheels. In Oldsmobile, steering action is now exerted on both front wheels from a point exactly midway between them instead of from one side. Easier steering—steering wheel is completely free from shimmy or wabble. | ||