Original metal trade vintage catalog for BOHN ALUMINUM & BRASS. CORPORATION. Main office and factory was located at 1400 Lafayette Building, Detroit, MI. Manufacturers of Extruded Architectural Shapes for Modern Architecture, Bohnalite Aluminum and Bohnolloy Bronze. Accurate and beautiful in their simplicity. Unbound from a large 1941 architectural catalog, this unique old two page technical brochure would display beautifully matted and framed. A fantastic addition to your retro metal library. Pages are detached and may contain a small amount of residual glue on edge.