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 comparing the delivery performance of a High Lift (Ex 1) pump and a Standard pump at various temperatures.
| Identifier | ExFiles\Box 149\4\ scan0021 | |
| Date | 18th August 1936 guessed | |
| Nº 1 COMPARISON BETWEEN HIGH LIFT (EX 1) & STANDARD PUMP DELIVERY IN PINTS PER HOUR 120 110 100 90 80 70 60 50 40 30 20 EX 1 PUMP 70º 80º STANDARD PUMP 70º 80º PIPE LINE AT 50ºC FIRST ½ PINT 1 PINT ULTIMATE FLOW STANDARD PUMP 70º 80º PIPE LINE AT 40ºC ½ PINT 1 PINT ULTIMATE FLOW | ||