Original wall trade vintage catalog for AMERICAN WARMING & VENTILATING COMPANY. Main office was located at 1017 Summit Street, Toledo, OH. Manufacturers of wall shutters, door louvers, air control dampers, fusible link fire dampers, Lo-Vent roof ventilators, penthouse used with fan for air exhaust, diffuser type A-145 are discussed. Quality air control products manufactured. AIA No. 30-J/. Unbound from a large 1958 architectural catalog, this unique old four page technical brochure would display wonderful matted and framed. Nice graphics. A terrific addition to your retro wall construction library. Pages are detached and may contain a small amount of residual glue on edge.