Riccardo Giovanetti Sipario Lampfor Fontana ArteWall lamp. Diffuser in curved glass, available acid-etched white (BI) or metallised (SP). Tube in borosilicate glass for the protection of the lighting source. Structure in metal, painted with white powder. The appliance with metallised finishing, when switched off, seems to be a mirror, when switched on the light passes through for a diffused light emission.