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An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation .
Sir Joseph Wilson Swan FRS (31 October 1828 – 27 May 1914) was an English physicist, chemist, and inventor.He is known as an independent early developer of a successful incandescent light bulb, and is the person responsible for developing and supplying the first incandescent lights used to illuminate homes and public buildings, including the Savoy Theatre, London, in 1881.
To avoid a possible court battle with yet another competitor, Joseph Swan, who held an 1880 British patent on a similar incandescent electric lamp, [68] he and Swan formed a joint company called Ediswan to manufacture and market the invention in Britain. The incandescent light bulb patented by Edison also began to gain widespread popularity in ...
Edison light bulb enclosed in a cage Edison light bulbs , also known as filament light bulbs and retroactively referred to as antique light bulbs or vintage light bulbs , are either carbon- or early tungsten -filament incandescent light bulbs , or modern bulbs that reproduce their appearance.
The lamps on exhibition were incandescent light bulbs with carbon-filaments of high resistance, made of fibres of reed. [5] Two patents were granted to Heinrich Göbel in 1882: an improvement of the Geissler system of vacuum pumps, and a solution to connect carbon-filaments and metal-wires in a light bulb. [6] [7]
Lewis Howard Latimer (September 4, 1848 – December 11, 1928) was an American inventor and patent draftsman. His inventions included an evaporative air conditioner, an improved process for manufacturing carbon filaments for light bulbs, and an improved toilet system for railroad cars.
In fact, LED bulbs emit the least amount of carbon dioxide — 451 pounds annually as compared to 4,500 for incandescent bulbs and 1,051 for CFLs, and, according to the Environmental Protection ...
Alexander Nikolayevich Lodygin, known after immigration to US as Alexandre de Lodyguine (Russian: Александр Николаевич Лодыгин; October 6, 1847 – March 16, 1923) was a Russian electrical engineer and inventor, one of the inventors of the incandescent light bulb.
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