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Knowles Mushroom Ventilator Company 1935 vintage heating catalog vents

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Original heating trade vintage catalog for KNOWLES MUSHROOM VENTILATOR COMPANY.  Main office and plant was located at 41 North Moore Street, New York City, NY.   Established in 1906.

Manufacturers of Ventilators. Products include Cast Iron and All-Steel, Adjustable Mushroom Ventilators, Tu-Way and Aisle Hood Air Deflectors, Round and Oblong Gallery Riser Vents are featured. Has numerous product images with detailed descriptions, illustrations, applications, specifications and dimensions provided. Unbound from a large 1935 architectural product catalog, this unique old one-page brochure would display beautifully matted and framed. Nice graphics. A fantastic addition to your vintage construction materials library. 

    • SKU zk383
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