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 'Good EAC' and 'Marles' steering systems.
| Identifier | WestWitteringFiles\O\2January1926-March1926\ Scan116 | |
| Date | 1st 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 a load of 317 lbs. on the pendulum lever. Good EAC. Steering. Marles Steering. 3.5 lbs. 2 lbs. Hs{Lord Ernest Hives - Chair}/W.A.Robotham. | ||