Old vintage “practical” desk lamp

“Pratic” desk lamp called “up and down” from the 1930s. Signed. Opaline lampshade. The arm articulates in all directions and goes up and down on the central axis. Very good general condition for this lamp which has been dismantled and cleaned. The central axis has been sanded and patinated in anthracite tone. The arm and the base are made of metal. Electricity redone with black braided fabric wire. Switch on bayonet socket (b22 bulb). Height: 50 cm. Lampshade width: 9.5 cm. Lampshade height: 13 cm. Base diameter: 13 cm. Weight: 2.2 kg. Table lamp, articulated lamp, table lamp, desk lamp, wall lamp, pendant light, ceiling light, vintage, garage, portable lamp, opaline, clichy glass, industrial lamp, accordion lamp, zip-zag lamp. Fresnel lens, arlus, cremer, kaiser idell, jumo, gras ravel clamart, jielde holophane, sanfil, solere, kandem, swan neck, workshop factory, industrial, mazda, midgard, perriand, le corbusier, singer, hala, luxo, bauhaus, schaco, super chrome, wall lights, art deco lights, factory lamp, sconces, desk lamp, factory scissor lamp.