Balanced-arm lamp
Videos
A balanced-arm lamp, sometimes called a floating arm lamp, is a lamp with an adjustable folding arm which is constructed such that the force due to gravity is always counteracted by springs, regardles
Anglepoise model 1227 from 1935
An upper arm showing three parallel bars
Spring-balanced bending arm lamp
Moving streetlamps in Rotterdam
Anglepoise lamp
Videos
The Anglepoise lamp is a balanced-arm lamp designed in 1932 by British designer George Carwardine.
Balanced-arm lamp
…such that the force due to gravity is always counteracted by springs, regardless of the position of the arms of the lamp. Many lamp brands (such as the Anglepoise, originator of the concept, and Luxo L-1), as well as other devices, use this principle. This article uses the terminology…
Anglepoise lamp '1227'
WAAF Instrument Mechanics at Work (1941) by Dorothy Coke
Close-up of the springs on an Anglepoise 90 lamp