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).
Performance curve graph for an HP S.U. petrol pump, showing flow rate in pints per hour against head in feet.
| Identifier | ExFiles\Box 140\4\ scan0297 | |
| Date | 16th October 1940 | |
| H.P. S.U. PETROL PUMP FROM GRAPH DATED 26.10.37 CURVE FROM PRODUCTION 30" SUCTION LIFT. PINTS PER HOUR HEAD IN FEET. SHAW. 16.10.40. 220 210 200 190 180 170 160 150 140 130 120 1 2 3 4 5 6 7 8 | ||