Outstanding rare Trienale floor lamp by noted designer Robert Sonneman. Comprised of chrome and steel this exceptional three arm masterpiece is fully adjustable for maximum lighting effects and task lighting. Each arm supports a fully adjustable hood shaped head. Master thumbwheel switch is conveniently located on the pole. First turn operates middle head, second turn the top and bottom head, third turns all three on and fourth turns all off. Lamp takes three standard size screw in bulbs. Base is weighted for added stability. Dimensions: 45″ w x 45″ w x 60″ h Base diameter is 12.5″. Baughman; Kovacs; Mitchell Gold; CB2; Room Board; Sonneman; Design within Reach; Crate Barrel; Jonathan Adler.