Original heating trade vintage catalog for HOFFMAN SPECIALTY COMPANY, INC.  Main office and plant was located in Waterbury, CT.  

Manufacturers of Heating Equipment for the efficient handling of Steam, Air and Water in connection with all types of Heating Systems. Products include Venting Valves for 1 or 2 Pipe Gravity Steam Systems, Venting Valves for 1 Pipe Gravity Vacuum Systems, Radiator Valves and Traps are all featured. Has numerous product images with detailed descriptions, illustrations and applications 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.