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 of American Gasoline Distillation Curves for various fuel types and specifications.
| Identifier | ExFiles\Box 50\3\ Scan065 | |
| Date | 25th November 1919 | |
| American Gasoline Distillation Curves Degrees Fahrenheit. END PT. 438°F. {Mr Friese} Curve Labels: 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 } .757 50% Benzol Legend: - - - ENGLISH LOW GRADE PETROL WITH 10% KEROSENE. - SP. {Mr Spinney} GR. {George Ratcliffe} .757. - . - . - FEDERAL SPECIFICATION ADOPTED NOV. 25. 1919. Axis Labels: (Y) 100, 125, 150, 175, 200, 225, 250, 275, 300, 325, 350, 375, 400, 425 (X) 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 93 c.c. | ||