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).
Comparative graphs of acceleration figures and speedometer calibrations for various vehicles.
| Identifier | WestWitteringFiles\U\August1930-November1930\ Scan028 | |
| Date | 26th August 1930 | |
| COMPARATIVE ACCELERATION FIGURES ACCELERATION FT/SEC 2 3.5 3.0 2.5 2.0 1.5 1.0 ROAD SPEED M.P.H. 10 20 30 40 50 60 GRAHAM PAIGE SILENT THIRD G.W.H. FIGURES 24 E.X. 6000 MILES GRAHAM PAIGE TOP 14G IV AFTER 10,000 SPEEDOMETER CALIBRATIONS % FAST 20 15 10 5 0 % SLOW 5 ROAD SPEED M.P.H. 20 30 40 50 60 70 MARMON PIERCE ARROW GRAHAM PAIGE 26 AUG 1930 | ||