Original theatrical trade vintage catalog for ROLL-O-MATIC STAGE EQUIPMENT CORPORATION. John Slonaker, was located at 3406 Kutztown Road, Laureldale, PA. Manufacturers of Custom-Built Roll-Out Stages, Stage Equipment and Revolving Stages. Products include curtain machines, lift machines and curtain tracks discussed. Suggested specifications for Series R heavy duty tracks provided. Unbound from a large 1964 architectural catalog, this unique old four page technical brochure would display fantastic matted and framed. Nice graphics. A wonderful addition to your retro theatrical construction library. Pages are detached and contain a small amount of residual glue on edge.