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 distillation curves and chemical analysis of Pynol and Shell N° 1 fuels.
| Identifier | ExFiles\Box 20\6\ Scan070 | |
| Date | 17th May 1923 guessed | |
| FUEL TESTS. % DISTILLATE TEMP °C SHELL N° 1 PYNOL DISTILLATION CURVE FOR PYNOL. S.G. .804 BOILING PT. 91°C FIRST DISTILLATE OVER AT 73°C. ANALYSIS OF PYNOL. OLEFINS & DI-OLEFINS 18.8% AROMATIC HYDRO-CARBONS 72.0% PARIFFINS & CYCLO PARIFFINS 9.2% ANALYSIS OF SHELL OLEFINS & DI-OLEFINS 4.2% AROMATIC HYDRO-CARBONS 20.8% PARIFFINS & CYCLO PARIFFINS 75.0% | ||