A Reference Book of Data, Relating to Lubrication and Industrial Oils, Including Tables, General Oil Information, Engineering and Industrial Requirements, for the Use of Oil Engineers, Lubricating Engineers, Oil Salesmen, Oil Equipment Manufacturers, Mechanical Engineers, Machinery Designers, Mill and Power Plant Superintendents, and Others Interested in the Efficient Utilization of Oil Products and Equipment, and the Conservation of Power. Includes the Lubricating Engineer's Handbook Revised