Blueprint graph showing the acceleration curve for a Lincoln Zephyr.
| Identifier | ExFiles\Box 127\2\ scan0061 | |
| Date | 15th December 1938 | |
| LINCOLN ZEPHYR ACCELERATION CURVE MAXIMUM SPEED BUMPER ON SPEEDOMETER ACTUAL 106 MAXIMUM GIVEN BY S.M.M.T. FOR SWIVEL & PINION REQD 75 SECONDS M.P.H HWH | ||
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).