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 graph of a petrol pump, plotting delivery and pressure against pump speed.
| Identifier | ExFiles\Box 27a\2\ Scan119 | |
| Date | 11th January 1933 | |
| 2 PEREGRINE II - 10,000 MILES TRIAL. LEC 3184 PETROL PUMP. DELIVERY PTS/HR MAX PRESS LBS/D' PUMP SPEED R.P.M. 120 110 100 90 2.0 80 1.0 500 1000 1500 2000 | ||