Original heating trade vintage catalog for AMERICAN BLOWER COMPANY of Detroit, MI. Manufacturers of products include fans, exhaust ventilators, air washers, humidifying, heating, drying equipment and tilting steam traps. Dry kilns for timber products, special drying systems are also manufactured. Disbound from a large 1916 architect construction materials book, this unique old four page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electrical heating equipment library. Contains a small amount of residual glue on edge.