Original heating trade vintage catalog for L. J. WING MANUFACTURING COMPANY. Main office and factory was located at 354-360 West 13 Street, New York City, NY. Manufacturers of turbine blowers, damper regulators, screw propeller and disc fans for ventilation. Air handling and power plant equipment and products. Disbound from a large 1916 industrial catalog, this unique old two page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro industrial equipment library. Page is detached and may contain a small amount of residual glue on edge.