Royal Ediswan electric lamp
Royal Ediswan electric lamp, 1915-20, rated at 230 v, 100 w, with glass bulb approx. 4 1/ 2" diameter, and bayonet cap
Royal Ediswan electric lamp, 1915-20, rated at 230 v, 100 w, with glass bulb approx. 4 1/ 2" diameter, and bayonet cap