Original door trade vintage catalog for LCN CLOSERS INC. Home office and factory was located in Princeton, IL. Manufacturers of exposed, concealed overhead, in door, in floor door closure. New LCN Smoothee Nos 4002, 4003 and 4004 for interior doors of wood or metal. Chart with schedule of sizes, types of door and maximum widths. This unique 1958 old four page technical brochure would make a marvelous addition to your retro architectural brochure. Pages are loose and contain a tiny amount of residual glue on edge.