One of the earliest designers of glass shades designed to manipulate the direction of the light by the use of glass prisms, Holophane is still one of the largest manufacturers today. Highy reflective glass which seems to amplify the light output. This shade dates to the teens or 20s. Glass in excellent condition with no noticable chips or cracks. Available in Chrome or Brushed Nickel. 12 inch drop 9 3/4 inch wide