Original hardware trade vintage catalog for JOHN STERLING CORPORATION of Richmond, IL. Manufacturers of pocket sliding door hardware. Series 600 Series track and hangers for by-passing doors where track fascia serves as trim. Series 400, 500, 700, 1200, 1300 are shown. This unique 1958 old four page technical brochure would make a marvelous addition to your retro engineering library. Pages are loose and contain a tiny amount of residual glue on edge.