Comprising Both Fixed and Volatile Oils ... as Well as the Manufacture of Artificial Butter, Lubricants, Including Mineral Lubricating Oils, Etc., and on Ozokerite : Edited Chiefly from the German of Drs. Karl Schaedler, G.W. Askinson, and Richard Brunner, with Additions and Lists of American Patents Relating to the Extraction, Rendering, Refining, Decomposing, and Bleaching of Fats and Oils