From about 1910, a pair of double wall sconce lights are heavy weight cast solid brass. Beeswax "candles" hold standard base sockets, rewired for safety.
There are switches on the cords of these American made antique lights. Size is 11 1/2" wide, 12" tall and 6" projection from the wall.
See 13 photos on Harp Gallery website that enlarge to full screen size.