
US Bureau of Mines Collection - C-885-BC Removing Titanium Sponge and Distilled Impurities from Retort: The operators are removing the retort furniture together with distilled magnesium and magnesium chloride from a retort. The finely divided magnesium is somewhat pyrophoric. The retort furniture will be swung to one side with the crane and a basket of purified sponge removed from the bottom of the retort. A total of 16 retorts are used in the plant.