Set of three elongated blown glass pendants encased in brass cones perforated with holes of varying sizes. The hot and molten glass was hand blown through the cone creating bubbles on the outside. This process of manufacturing under high temperature patinated the brass in a warm tone. Designed and manufactured by Rupert Nikoll, Vienna, late 1950s- early 1960's . This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I 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.