Jumo model 600 desk lamp is an iconic piece of french mid-century modern design. Created in the 1940s by andré mounique for jumo, bagnolet, paris, the lamp features a conical chromed metal base with a cast iron counterweight, an adjustable chrome rod with a round balancing weight, and a half-round chrome lampshade. The socket is in original black bakelite (b22). dimensions height: 40 cm (15.74”) adjustable shade diameter: 13.5 cm (5.31”) base diameter: 11.5 cm (4.52”) electrical one b22 bulb, max 75w 110/220v, suitable for all bulb types the first version of the 600, designed in 1940 has a bullet shaped counterweight. This later versions introduced a rectangular counterweight, while related models 602 and 605 feature longer rods. this piece has an attribution mark, i am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution, uk plug (up to 250v).the wiring of this item may be original and might need replacement, if not specified otherwise.