Original heating trade vintage catalog for LOREN COOK COMPANY. Main office was located in Berea, OH. Manufacturers of All Spun Aluminum wall and roof ventilators of modern design. Type W, CD, CB, FC and PR are shown, with performance and dimension chart, specifications provided. Unbound from a large 1958 architectural catalog, this unique old eight page technical specifications brochure would display beautifully matted and framed. Nice cover graphics. A wonderful addition to your retro ventilation equipment library. Pages are detached and contain a small amount of residual glue on edge.