221.    ---------------. [ BERTHELOT, C.] [New Sources of Production of Hydrogen.]  Ind. Chim., vol. 22, 1935, pp. 406-407; Chem. Abs., vol. 29, 1935, p. 6370.

                  Attention is drawn to the possibility of producing cheap H₂, suitable for the synthesis of NH₃ or for the manufacture of gasoline by the Fischer-Tropsch process, by the carbonization of anthracite agglomerates (manufacture of artificial anthracites) and by injection of steam in coke ovens.