Antique vintage opaline up and down lamp

Lamp called "monte et basse" from the 1950s. Superb opaline lampshade. Very good general condition for this lamp. Electricity redone with black braided fabric wire. Switch on wire. Brass bayonet socket (b22 bulb). Height: 49 cm. Lampshade diameter: 9 cm. Lampshade height: 14 cm. Base diameter: 14 cm. Weight: 2.1 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.