all original 19th century early american electric articulating arm wall bracket with hubbell pull-chain socket and green enameled "slim helmet" reflector comprised of pressed steel. the intricately designed wall lamp features a primary ornamental bracket containing perforated filigree. the swinging extension arm retains the original spring-actuated lever set against a notched hub found above the pivot pint. the two flat disc-joints are original and intact. the ventilated uno shade fitter retains the original floriated set screws. the rare wall bracket is comprised of cast brass with original nickel-plated finish largely intact. attributed to the william f. wolff co., new york city, ny.