Original 1939 heating trade vintage catalog for the GRINNELL COMPANY.  Main office and plant were located at 200 West Exchange Street, Providence, RI.

Manufacturers of Thermolier Unit Heaters and accessories. Factory, Industrial & De Luxe.

Has numerous product images, illustration, description, applications and specifications to provide product details.

Unbound from a large rare 1939 Process Industries Catalog, this unique old twenty-eight page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fabulous addition to your retro heating equipment library. Pages are loose and contain excess glue on the bound edge.