Original heating trade vintage catalog for TRADE-WIND MOTORFANS INC. Main office and plant was located at 7755 Paramount Boulevard, Rivera, CA. Manufacturers of ventilators for the small rooms. Models 3501, 2501, 1501, 1201, 1701 and AF-7M are featured. Installation is illustrated, accessories shown. Hood and ventilator combinations are listed. Disbound from a large 1956 electrical construction materials book, this unique old four page technical specifications brochure would display wonderfully matted and framed. Nice cover graphics. A marvelous addition to your retro electric fan equipment library. Pages are detached.