Original heating trade vintage catalog for AMERICAN GAS FURNACE COMPANY. Main office and factory was located at 24 John Street, New York City, NY. Manufacturers of automatic heat controller, case hardening plant, oil gas machines, blast furnaces. Specialists in the use of gas for mechanical heating processes. Disbound from a large 1916 industrial heating catalog, this unique old two page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro heating equipment library. Pages contain a small amount of residual glue on edge.