Original heating trade vintage catalog for SUPERIOR FIREPLACE COMPANY. Main office was located in Los Angeles, CA. Manufacturers of Heatform heat circulating fireplace with Rockwool insulation. Rockwool was well known to contain asbestos, although not specifically listed in this catalog. Model A, M, S. Swedish Design, Superior Hi-Form Damper Model H, L are illustrated, specs and details given. Information on grilles and registers also listed. Photos of stone, colonial, split stone, Spanish design, and brick fireplaces. Disbound from a large 1954 home builders heating catalog, this unique old eight page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro heating equipment library. Pages are detached and may contain a small amount of residual glue on edge.