Vintage "pratic" desk lamp

“PRATIC” desk lamp known as “raise and lower” from the 1930s. Signed. Opaline lampshade. The arm articulates in all directions and raises and lowers on the central axis. Very good overall condition for this lamp, which has been disassembled and cleaned. The central axis has been sanded and patinated in anthracite tone. The arm and base are made of metal. Electrical system completely redone with black braided fabric wire. Switch on bayonet socket (B22 bulb). Height: 50 cm. Lampshade diameter: 9.5 cm. Lampshade height: 13 cm. Base diameter: 13 cm. Weight: 2.2 kg. Table lamp, articulated lamp, desk lamp, wall light, pendant, 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, COL DE CYGNE, ATELIER USINE, 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.