A pair of brass cast naval fresnal lens light sconce that hung on a ship's wall or in hand held lanterns.  Made probably in the 1970's.  One of them is missing the lamp housing.  Thick heavy duty fresnal lens glass with characteristic ribs that were used on ships to increase illumination.  Vintage naval lighting for your next interior design project. Price is for the pair. Dimensions of each: Height: 17 cm (6.69 inches) Diameter: 9 cm (3.54 inches) Weight: 800 g (1.76 lbs)