Original industrial trade vintage catalog for SPRAY ENGINEERING COMPANY. Main office was located at 108 Central Street, Somerville, MA. Manufacturers of air washers, cooling system, flow meters, nozzles, self-cleaning strainers, painting and industrial finishing equipment. Unbound from a large 1916 industrial catalog, this unique old one page technical brochure would exhibit beautifully matted and framed. A fantastic addition to your retro industrial equipment collection.