Boca arc lamp. Tension lamp (is stretched between floor and ceiling). An impressive and very rare designer lamp. There are brass extensions of different lengths for the base. The lamp is suitable for declen heights from 255 to 350 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, European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.