Original industrial trade vintage catalog for ARMSTRONG MACHINE WORKS. Main office and factory was located at 803 Maple Street, Three Rivers, MI. Manufacturer of Blast Steam Traps. Prices, sizes and capacities provided. Disbound from a large 1936 industrial catalog, this unique old two page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro industrial equipment library. Pages are detached and may contain a small amount of residual glue on edge.