Original door trade vintage catalog for ST. LOUIS FIRE DOOR COMPANY of Saint Louis, MO. Manufacturers of Freight Elevator and Dumbwaiter Doors. Metal Clad, Corrugated, Slide-Under and Motor-Operated. Renewable and adjustable malleable guide shoes, adjustable latch bar lock equipment, heavy gusset supports and sill levelers, tamper proof electric interlock, double radial ball bearing sheaves with internal oil reservoirs. Disbound from a large 1941 construction materials book, this unique old twelve page technical specifications brochure would make a sensational addition to your retro industrial architectural design library. Pages are loose and contains a small amount of residual glue on edge.