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 showing the characteristics of suction and speed-operated ignition control for a Graham-Paige car running at various speeds.
| Identifier | ExFiles\Box 126\1\ scan0188 | |
| Date | 9th July 1935 | |
| GRAHAM - PAIGE, CHARACTERISTICS OF SUCTION & SPEED OPERATED IGNITION CONTROL, CAR RUNNING LIGHT AT VARIOUS SPEEDS., DEPRESSION ON CONTROL - INS. HG., IGNITION ADVANCE - DEGREES, DEPRESSION ON SUCTION CONTROL, IGNITION ADVANCE, DUE TO SUCTION CONTROL, DUE TO SPEED CONTROL, ENGINE R.P.M., CAR SPEED - M.P.H., F.LL.S, 9-7-35 | ||