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 plotting petrol pump delivery in pints per hour against engine RPM.
| Identifier | ExFiles\Box 17\5\ Scan126 | |
| Date | 2nd May 1932 | |
| X7460 PUMP DELIVERY (PTS / HR.) ENGINE R.P.M. A.C. PETROL PUMP ON 25 EX. 3 GALLONS IN REAR TANK. CHASSIS PIPE LINES AFTER RUNNING OUT OF PETROL. PUMP DELIVERS AGAIN AFTER 1 MIN 47 SECS. ON SELF STARTER (100 R.P.M. OF ENGINE) WITH ONE GALL. IN REAR TANK. 2. 5. 32. | ||