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 showing the A.S.T.M. distillation curves for typical aviation gasoline and two different isopropyl ether blends.
| Identifier | ExFiles\Box 150\1\ scan0223 | |
| Date | 30th January 1936 guessed | |
| FIG. 5. A.S.T.M. DISTILLATION OF ISOPROPYL ETHER BLENDS. TEMPERATURE F° 300 275 250 225 200 175 150 125 100 TYPICAL AVIATION GASOLINE. 20% ISOPROPYL ETHER 40% ISOPROPYL ETHER PERCENT CONDENSED. 0 20 40 60 80 100 | ||