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).
The findings of 'Experiment 2' concerning double brakes on rear wheels.
| Identifier | ExFiles\Box 1\6\ B001_X2 Double Rear Brakes-page040 | |
| Date | 29th May 1913 | |
| C O P Y. Mr Wormald. from F.H.R. Copies sent to: Mr Johnson. Mr Haldenby. R9/B29.5.13. Re Experiment 2. We can detect no difference on cars with double brakes on the rear wheels in the manner in which they ride over rough roads with pot holes. F.H.R. COPY. | ||