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A toggle light switch Internal components of a toggle switch. The toggle mechanism provides "snap-action" through the use of an "over-center" geometry. The design was patented in 1916 by William J. Newton and Morris Goldberg. [2] The switch actuator does not control the contacts directly, but through an intermediate arrangement of springs and ...
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Developing technology behind the modern light switch John Henry Holmes (1857 – 1935) was an English electrical engineer , inventor, Quaker and pioneer of electric lighting who invented the quick break light switch, the technology behind which remains the basis for modern wall mounted light switches .
NKK SWITCHES Co., Ltd. (NKKスイッチズ株式会社, NKK Suitchizu Kabushiki-gaisha) (formerly Nihon Kaiheiki Kogyo Co., Ltd.) is a designer and manufacturer of diversified industrial operational switches. The company offers illuminated, process sealed, miniature, specialty, surface mount and LCD programmable switches.
1875 Henry Woodward patents an electric light bulb. 1876 Pavel Yablochkov invents the Yablochkov candle, the first practical carbon arc lamp, for public street lighting in Paris. 1879 (About Christmas time) Col. R. E. Crompton illuminated his home in Porchester Gardens, using a primary battery of Grove Cells, then a generator which was better ...
Iran has confirmed the arrest of Italian journalist Cecilia Sala, state news agency IRNA said, citing the Iranian Ministry of Culture.