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 specific gravities of various American gasolines and fuel mixtures.
| Identifier | ExFiles\Box 50\3\ Scan064 | |
| Date | 25th November 1919 | |
| 8 American Gasoline Distillation Curves DEGREES Fahrenheit END Pt 438°F SOCONY SINCLAIR TEXAS 50% GAS - 50% BENZOL TYDOL GULF ATLANTIC Specific Gravity at 60°F Socony .747 Gulf .732 Atlantic .735 Tydol .735 Texas .745 Sinclair .738 50% Gas 50% Benzol .757 ENGLISH LOW GRADE PETROL WITH 10% KEROSENE. - SP. {Mr Spinney} GR. {George Ratcliffe} .757. FEDERAL SPECIFICATION ADOPTED NOV. 25. 1919. 93 c.c. | ||