812.    ---------------.  [ELLIS, C.]  Lecture Notes on a Visit to Plants of the I. G. Farbenindustrie A.-G. During 1930.  Trans. Am. Inst. Chem. Eng., vol. 25, 1930, pp. 16-41; Chem. Abs., vol. 25, 1931, p. 4636.

     Illustrated description of the I. G. plants at Oppau and Ludwigshafen with a discussion of the production of synthetic NH3 and MeOH and the hydrogenation of mineral oils.