Gisholt 22″ Turret Lathe. The metal stamp states: “American Turret Lathe Mfg. Co. Patented December 26, 1899. Semi-Automatic. Warren, PA.” The Pennsylvania plant was the other Gisholt works factory outside of Madison, Wisconsin. Gisholt was the first company to specialize in heavy type turret lathes adapted to finishing of medium and heavy castings and forgings.