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1846
- William Greener, an English inventor, made significant contributions to early electric lighting with his lamp in 1846 (patent specification 11076), laying the groundwork for future innovations such as those by Thomas Edison.
en.wikipedia.org/wiki/Electric_light
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In 1840, Warren de la Rue enclosed a platinum coil in a vacuum tube and passed an electric current through it, thus creating one of the world's first electric light bulbs.
Nov 22, 2013 · Long before Thomas Edison patented -- first in 1879 and then a year later in 1880 -- and began commercializing his incandescent light bulb, British inventors were demonstrating that electric light was possible with the arc lamp.
1809 Humphry Davy publicly demonstrates first electric lamp over 10,000 lumens, at the Royal Society. [3] 1813 National Heat and Light Company formed by Frederick Albert Winsor. 1815 Humphry Davy invents the miner's safety lamp. 1823 Johann Wolfgang Döbereiner invents the Döbereiner's lamp.
Sir Joseph Swann of England and Thomas Edison both invented the first electric incandescent lamps during the 1870s. Incandescent light bulbs work in this way: electricity flows through the filament that is inside the bulb; the filament has resistance to the electricity; the resistance makes the filament heat to a high temperature; the heated ...
The lamp was invented at least as early as 70,000 bce. Originally it consisted of a hollowed-out rock filled with moss or some other absorbent material that was soaked with animal fat and ignited. In the Mediterranean area and the Middle East, the earliest lamp had a shell shape.
- The Editors of Encyclopaedia Britannica
Oct 21, 2014 · By Jennifer Latson. October 21, 2014 10:30 AM EDT. T he electric light wasn’t Thomas Edison’s first invention, nor was he the first to create an alternative to gaslight. Electric lights already...
Jul 18, 2023 · Humphry Davy (1778–1829) invented a very early form of arc lamp, which produced light by an electric arc, also called a voltaic arc.
