Original heating trade vintage catalog for  BARBER-COLMAN COMPANY.  Main office and plant was located in Rockford, IL.

Manufacturers of Temperature and Humidity Control. Products include Valves and Operators, Room Thermostats, Two-Temperature Thermostats, Duct Thermostats, Packed Valves, Radiator Valves, Line Valves and Damper Controllers are all featured.  Has numerous product images with detailed descriptions, illustrations, applications and specifications provided. Unbound from a large 1935 architectural product catalog, this unique old two-page brochure would display beautifully matted and framed. Nice graphics. A fantastic addition to your vintage construction materials library.