This brush copper pully lamp is Preowned and in need of repair.The pully works but has a hard time retracting because the wire is old and stiff.The bottom black knob is the switch and the wire is channel along the bracket.The lamp is also missing a frosted glass chimney that measures 3 1/2” x 9 1/2 which covers the exposed light bulb.Please carefully view the many photos and if you have any questions please contact me.The wire is available on EBay ( item # 121112578139 ) and also the chimney.Thank you