Old aged brass articulated desk lamp

Old desk lamp called bank in aged brass, on base like funnel, Surmounted by 2 rods with articulation system in the center and, at the top, a lampshade. Horizontal and also articulated, of inner and outer brass, Equipped with its bulb: baionet tube, max 40 watts, Wire / interswitch /and black plug / length 1m20 / in good condition. Dimensions: ht = 34cm / width = 24cm / diam base = 15cm.