Original heating trade vintage catalog for AMERICAN BLOWER CORPORATION. General office and factory was located in Detroit, MI. Manufacturers of Ventura fans, forge blowers, ABC utility sets, pent houses are featured. Air deliveries are in accordance with Standard Test Code for Centrifugal and Propeller Fans adopted jointly by the National Association of Fan Manufacturers and Society of Heating and Ventilating Engineers. Division of American Radiator and Standard Sanitary Corporation. Disbound from a large 1944 architect construction materials book, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electrical heating equipment library.