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).
Comparison of the relative irreversibility of two different steering systems.
| Identifier | ExFiles\Box 67\4\ scan0012 | |
| Date | 16th February 1926 guessed | |
| contd :- -3- The following indicate the relative irreversibility of the two steerings which were tried on the road. Effort in pounds required to hold the load of 317 lbs. on the pendulum lever. Good KAG. Steering. 3.5 lbs. Marles Steering. 2 lbs. Hs{Lord Ernest Hives - Chair}/W.A.Robotham. | ||