Original 1946 heating trade vintage catalog for the GRINNELL COMPANY, INC.  Main office was located at 260 West Exchange Street, Providence, RI.

Manufacturers of Thermolier Unit Heaters.

Has numerous product images & detailed illustrations, description, applications and specifications charts to provide product info.

Unbound from a large rare 1946 Architectural Catalog, this unique old thirty-two page technical brochure would display beautifully matted and framed. Awesome dated cover graphics. A fabulous addition to your retro heating industry library. (Catalog 6-E).