Original theatrical trade vintage catalog for DOVER CORPORATION, (Elevator Division), was located in Memphis, TN. Manufacturers of Rotary Rising Stages. Hydraulic stage lift for elaborate staging and dramatic theatrical effects. Creating the most advanced theaters in the entertainment world. Las Vegas Stardust Hotel uses six units for spectacular effects. Houston Music Hall illustrates a popular function of these versatile units. Unbound from a large 1964 architectural catalog, this unique old four page technical brochure would display fantastic matted and framed. Nice cover graphics. A wonderful addition to your retro theatrical construction library. Pages are detached and contain a small amount of residual glue on edge.