Original 1939 heating trade vintage catalog for the C A DUNHAM COMPANY.  Main office was located at 450 East Ohio Street, Chicago, Il.  The factories were located in Marshalltown, IA. and Michigan City, IN.

Manufacturers of Industrial Heating Equipment.

Has product images, description and applications to provide product details.

Unbound from a large rare 1939 Process Industries Catalog, this unique old one-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro heating equipment library.