Original heating trade vintage catalog for TRADE-WIND MOTORFANS, INC. Main office was located at 5725 South Main Street, Los Angeles, CA. Manufacturers of Clipper ventilators, fans for cooling and heating. Model 3501 Supper Clipper for installation in cabinet over the stove, specs provided, accessories shown, installation details. Model 2501, 1501, 1201 dual blower unit for ceiling, installation, specs, accessories, installation details shown. Disbound from a large 1954 home builders heating catalog, this unique old eight page technical brochure would display wonderfully matted and framed. Nice cover graphics. A marvelous addition to your retro heating equipment library. Pages are detached and may contain a small amount of residual glue on edge. Bulletin 620G.