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.