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).
Two graphs comparing acceleration figures and speedometer calibrations for various cars.
| Identifier | ExFiles\Box 125\2\ scan0083 | |
| Date | 1st September 1930 | |
| COMPARATIVE ACCELERATION FIGURES. ACCELERATION FT/SEC 2 ROAD SPEED M.P.H. GRAHAM PAIGE SILENT THIRD GRAHAM PAIGE TOP G.W.H. FIGURES 24 E.X. 6000 MILES 14G IV AFTER 10,000 SPEEDOMETER CALIBRATIONS % FAST % SLOW ROAD SPEED M.P.H. MARMON PIERCE ARROW GRAHAM PAIGE 1 SEP 1930 | ||