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 with a 30' suction lift.
| Identifier | ExFiles\Box 140\4\ scan0296 | |
| Date | 16th October 1940 | |
| H.P. - S.U. PETROL PUMP FROM GRAPH DATED 25.10.37. CURVE FROM PRODUCTION 30" SUCTION LIFT. PINTS PER HOUR HEAD IN FEET. SHAW. 16.10.40. | ||