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).
Blueprint with two graphs comparing vehicle acceleration figures and speedometer calibrations.
| Identifier | ExFiles\Box 5a\5\ 05-page129 | |
| Date | 1st September 1931 | |
| Graph 1: COMPARATIVE ACCELERATION FIGURES. Y-axis: ACCELERATION FT/SEC 2. X-axis: ROAD SPEED M.P.H. Data series: GRAHAM PAIGE SILENT THIRD, G.M.K PHANTOM 24.S. GOOD MILES, GRAHAM PAIGE TOP, 14.G.R. AFTER 10,000. Graph 2: SPEEDOMETER CALIBRATIONS. Y-axis: % SLOW, % FAST. X-axis: ROAD SPEED M.P.H. Data series: MARMON, PIERCE ARROW, GRAHAM PAIGE. | ||