Softcover, 115 pages, 8.5 x 11 in., B&W photographs and illustrations.
This is a continuation of Book 49. This volume includes chapters on tank car usage for carrying explosives, Tannic Acid, Castor Oil, Cotton Seed Oil, Corn Oil, Linseed Oil, Nut Oils, Soya Bean Oil, Olive Oil, Whale Oil, Soap, Lard, Lard Oil, Glycerin, Silicate of Soda, Calcium Chloride Brine, Oxalic Acid, Carbon Bisulphide Zinc Chloride, Arsenic Solution, Lactic Acid, Molasses, Glucose, Vinegar, Wine and water.