all original, intact and fully functional american industrial "adjusco" factory wall-bracket task lamp fabricated by s. robert schwarts & co., new york city, ny. the exceptional single electric light industrial lamp features three graduating flat disc joints designed to emulate the movement of the human arm. the tapered and turned cast iron base was made specifically for the wall-mount variety. the flexible fixture contains a yellow brass paddle switch socket rewired with period appropriate braided cloth cord. the green enameled rolled rim aluminum shade is original and intact. the pivoting bracket, comprised of wrought steel, has been refinished.