Original door trade vintage catalog for DUSING & HUNT, INC. Main office and factory was located at 1927 Elmwood Avenue, Buffalo, NY. Manufacturers of Electro-Weld Kalmein Steel Doors and Counter Balanced Dumbwatier Door Units DW-100, DW-200. Disbound from a large 1941 construction materials book, this unique old two page technical specifications brochure would display beautifully matted and framed. A marvelous addition to your retro architectural design library. Pages are loose and contain a small amount of residual glue on edge.