Original hardware trade vintage catalog for SOSS MANUFACTURING COMPANY. was located at 21777 Hoover Road, Detroit, MI. Manufacturers of Latches, Hinges, Butts. Invisible door hinge, Lev-r latch, Olive Butt used in the world's finest furniture, homes and buildings. Specifications, mounting instructions are listed. This unique 1958 old four page technical brochure would make a marvelous addition to your retro architectural and engineering collection. Pages are loose and contain a tiny amount of residual glue on edge.