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 performance of various fuel pumps at different temperatures using Pratts Ethyl fuel.
| Identifier | ExFiles\Box 149\4\ scan0023 | |
| Date | 19th August 1936 | |
| PRATTS ETHYL 19-8-36 Nº3 STANDARD PUMP G.1 60ºC 70ºC SPECIAL DIAPHRAGM G.3. 60ºC 70ºC STANDARD SHORT STROKE AT 60ºC STANDARD SHORT STROKE AT 70ºC FLOWS THROUGH CARBURETTER FAILED FAILED | ||