2938.     RUHRCHEMIE, A.-G.  [Drawings of Medium-Pressure Reactors for the Fischer-Tropsch Process.]  BIOS Microfilm FD 5422/47, frames 1-18; O. T. S. Bib. Tech. Rept., vol. 16, No. 3, 1951, p. 78, PB 104,126.

        German report covering years 1942-44.