Original hardware trade vintage catalog for ACKERMAN-JOHNSON COMPANY. Main office and plant was located at 625 West Jackson Boulevard, Chicago, IL. Hardware manufacturers of Expansive Screw Anchors, Toggle Screw Anchors, Expansion Bolts and Concrete Inserts. Disbound from a large 1938 building material construction book, this unique two page technical data specification brochure would display wonderfully matted and framed. A marvelous addition to your retro architecture design and engineering library.