Original heating trade vintage catalog for  WILLIAMS-O-MATIC HEATING CORPORATION.  Main office and plant was located in Bloomington, IL.

Manufacturers of Air Conditioning Equipment. Products include Oil-O-Matic Air Conditioning assures perfect weather in summer and winter.  Has product image 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.