White and yellow cellulose acetate pendant lamp by A.R.P and Rotaflex. Atelier de recherche plastique was founded in 1954 by pierre guariche, joseph-andré motte and michel mortier. Where the three designer were working to innovate the furniture industry by applying new materials to old concepts. It existed from 1954 tot 1957. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution, Up to 250V (Europe/UK Standard).The wiring of this item may be original and might need replacement, if not specified otherwise.