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Close-up of the springs on an Anglepoise 90 lamp. A key feature of the Anglepoise design and patent is the placement of all springs (either three or four) near the base. [13] The design was extensively copied by other companies, usually in simplified form, and is still in use. Some derivatives use a heavy balance weight instead of the springs.
Anglepoise model 1227 from 1935. 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, regardless of the position of the arms of the lamp.
In 1937, he developed the Luxo-L1, a balanced-arm lamp. Today, the lamp is part of various exhibitions in museums around the world, as the lamp is being seen as an example for classic lamp design. The L1 construction principle is based on the Anglepoise lamp, developed by George Carwardine in 1933. Jacob Jacobsen lived to be 95 years old and ...
Mitgehen (German: [ˈmɪtˌɡeːən] ⓘ) is an extreme form of mitmachen in which very slight pressure leads to movement in any direction, also called the "anglepoise" effect or "anglepoise lamp sign". This movement occurs despite instructions to resist the pressure, as individuals with this condition often experience even slight pressure as ...
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Kenneth Henry Grange was born on 17 July 1929, in east London. [4] His mother, Hilda (née Long), was a machinist and his father, Harry, a policeman. [5] The family moved to Wembley, north London at the outbreak of the second world war, where his father was a bomb disposal officer.
Digital Accessible Information System (DAISY) books can be heard on standalone DAISY players, [1] computers using DAISY playback software, [2] mobile phones, and MP3 players (with limited navigation). DAISY books can be distributed on a CD/DVD, memory card or through the Internet. [3]
Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.