216.    BERTHELOT, C.  [Composition of Coal and Its Utilization in the Chemical Industry.]  Bull. Soc. Encour. Ind. Nat., vol. 126, 1927, pp. 485-511; Chem. Abs., vol. 22, 1928, p. 152.

                   Address reviewing present-day knowledge of the chemical composition and constitution of coal and its possible applications in the manufacture of MeOH, EtOH, petroleum hydrocarbons, and NH3, more particularly from the standpoint of supplying the French market with products prepared from domestic raw materials.