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 effort required for 'Good EAC. Steering' versus 'Marles Steering'.
| Identifier | ExFiles\Box 28\2\ Scan010 | |
| Date | 2nd 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 EAC. Marles Steering. Steering. 3.5 lbs. 2 lbs. Hs{Lord Ernest Hives - Chair}/W. A.{Mr Adams} Robotham. | ||