German Bauhaus wall light "sis"

Old imposing workshop lamp from the 1960s, of German origin. It is a lamp of the brand "sis" not stamped but recognizable by the first arm, typical of the brand and by its retractable lampshade. This lamp has a multitude of possibilities of articulation. By its two arms, by the rotation at the level of the base and the reflector. All steel, except the aluminum reflector. Presence of a push switch on the top of the lampshade ... Fully restored. Sanded, graphite waxed. Electricity redone. Black wire in braided fabric. Large base screw socket. 1st arm: 52 cm. 2nd arm: 48 cm. Base diameter: 6.5 cm. Reflector diameter: 21 cm. Reflector height: 13 cm. Wire length: 2.5 m. Weight: 1.4 kg.