Original industrial trade vintage catalog for BALL ENGINE COMPANY, was located in Erie, PA. Manufacturers of steam shovels, locomotive cranes and railroad ditchers. Type B Erie revolving shovel is pictured. Equipped with automatic crowding device, three-lever controls. Chart is provided with weight, capacities and dimensions. Disbound from a large 1916 industrial catalog, this unique old one page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro industrial equipment library.