Unusual arc lamp wall mounted sconce. The arc arm fits into a wall b racket, the arm extends 48" from the wall, it pivots in the bracket to position the arm, the chrome dome shade ( 14" Dia. ) tilts and pivots to position the light. This example is in clean, original and working condition, it shows minor cosmetic wear, normal and consistent with age. Most arc lamps from this period are floor lamp models, is is rare to find the wall mount sconce version. Design after Guzzini, Reggaini etc, unsigned.