Original 1966 heating trade vintage catalog for NATIONAL SYSTEM OF GARAGE VENTILATION, INC.  Main office and plant were located at 138 West William Street, Decatur, IL.

Manufacturers of Exhaust Gas Removal Systems. 'For Autos, Trucks, Busses, Diesels, Farm Tractors, Gas Motors and Welding Equipment'.

Products include Underfloor Systems (for use with Vitreous Tile Duct), Underfloor Systems (for use with Galvanized Duct) and Overhead Systems (for use with Galvanized Duct), all are fully featured.

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

Unbound from a large rare 1966 Architectural Catalog, this unique old four-page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fabulous addition to your retro heating and air conditioning (HVAC) equipment library.  (Catalog 123).