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).
Graph plotting recession against tire load for various angles.
| Identifier | ExFiles\Box 170\3\ img158 | |
| Date | 21th January 1938 guessed | |
| Y-Axis Label: TIRE LOAD - LBS Y-Axis Scale: 0, 400, 800, 1200, 1600, 2000, 2400, 2800, 3200 X-Axis Label (upside down): RECESSION X-Axis Scale: 0, 20, 40, 60, 80 Line Labels: 16°, 1° | ||