USA, Early 1900s, Vintage Industrial OC White Articulated Machinist Workshop Lights. Cast Iron Construction. Knuckle Knob Adjustment with Pivoting Swing arm. Fully Adjustable Ball Joint Base for Mounting on Vertical or Horizontal Surfaces. Flat Milk Glass Shades. Time Worn Patina with Early Green Pistachio Paint Finish. Fully Rewire and Ready for Use. Pair Available.