2263.     ---------------.  [MICHAEL, W.]  Principal Data on the Foaming Process for the Hydrocarbon Synthesis.  High-Pressure Experiments, Ludwigshafen 558, Feb. 27, 1943.  Bureau of Mines Transl. T-431, January 1948, 2 pp.

                    Paper from Dr. Pierís files outlining the operation and giving some results and yields of experiments carried out over a 7-mo. period.