3217.     SMITH, F.  Chemicals From Petroleum.  Jour. Inst. Petrol., vol. 32, A, p. 262; Jour. Roy. Soc. Arts, vol. 45, 1945, pp. 566-598.

        Three lectures are recorded.  Among the many products mentioned in (I) are those from H₂ and CO by the Fischer-Tropsch synthesis.  (III) gives an outline from the use of synthetic hydrocarbons as fuels.  The relation between their structures and efficiency in internal combustion engines is discussed.  A graph shows the approximate relation between octane numbers and the number of methyl groups in the paraffin chains.