Small 105mm Wide prismatic holophane light fitting. Unwired. marine bulkhead / pilot light. Please see pics for accurate description. Never tested. Is stamped 201 Holophane on the prismatic lens. A patent number is stamped on the backplate. Original screws. Approx measurements 105 mm W x 40mm H. No damage to the holophane lens some corrosion to the metal components. Preowned Dispatched quickly and carefully.