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).
Laboratory report on two samples of petrol, showing percentage of distillate at various temperatures.
| Identifier | ExFiles\Box 50\3\ Scan176 | |
| Date | 30th August 1921 | |
| COPY. Hs.{Lord Ernest Hives - Chair} H11/EB30.8.21. Laboratory. Re. 2 samples of Petrol submitted to-day. 20% Temperature. % Distillate. 100°C 212°F 3.6 110°C 230°F 12.6 120°C 248°F 22.4 130°C 266°F 32.8 140°C 284°F 39.7 150°C 302°F 51.0 160°C 320°F 59.4 170°C 338°F 66.7 180°C 356°F 74.2 190°C 374°F 78.2 200°C 392°F 83.7 210°C 410°F 87.6 220°C 428°F 91.6 230°C 446°F 93.2 240°C 464°F 95.0 50% Temperature. % Distillate. Nil Nil 110°C 1.7 120°C 8.2 130°C 15.9 140°C 24.0 150°C 31.9 160°C 35.1 170°C 42.0 180°C 50.1 190°C 60.0 200°C 70.6 210°C 79.5 220°C 83.5 230°C 86.8 240°C 90.9 247°C 94.6 H1. | ||