Original heating trade vintage catalog for B. F. STURTEVANT COMPANY, was located at Hyde Park, Boston, MA., at 410 North Michigan Avenue, Chicago, IL., and also at 681 Market Street, San Francisco, CA. Manufacturers of Forced and Induced Draft Fans, Propeller, Speed Heaters, Heating, Ventilating and Air Conditioning Apparatus and Mechanical Draft Equipment. Turbovane, Tempervane. Disbound from a large 1931 industrial heating catalog, this unique old one page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro heating equipment library. Slight damp stain on outer edge.