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If light pressure were the cause of the rotation, then the better the vacuum in the bulb, the less air resistance to movement, and the faster the vanes should spin. In 1901, with a better vacuum pump, Pyotr Lebedev showed that in fact, the radiometer only works when there is low-pressure gas in the bulb, and the vanes stay motionless in a hard ...
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.
I think the current arrangement (as of 23:22, 17 June 2008 (UTC)) is fine, with just mentioning the term light globe in the introduction sentence with light bulb and lamp. All these terms are commonly used in daily speech wrt region, occupation, culture, etc. -- 203.94.135.134 ( talk ) 23:22, 17 June 2008 (UTC)
Among his technological innovations, which were not developed until long after his death, are the incandescent light bulb, submarine telegraphy and arc welding. Unfortunately, his claims are not well documented but, in July 1835, Lindsay did demonstrate a constant electric lamp at a public meeting in Dundee , Scotland.
This is also the method used to produce light in a cathode ray tube (CRT). Experimental light bulbs that were made using this technology do not include magnetic or electrostatic means to deflect the electron beam. [5] A cathodoluminescent light has a transparent glass envelope coated on the inside with a light-emitting phosphor layer.
The work for the American Electric Light Co. in 1881, the patents from 1882, and the report in the New York Times from April 30, 1882 are the earliest clear sources for work of Heinrich Göbel related to incandescent electric light bulbs. No earlier source is known to prove any kind of relation with incandescent light bulbs, nor indeed any kind ...
Alessandro Cruto was an Italian inventor, born in the town of Piossasco, near Turin, who created an early incandescent light bulb.. Son of a construction foreman, he attended the school of architecture at the University of Turin, while also attending Physics and Chemistry lectures with the dream of crystallizing carbon to obtain diamonds. [1]
Edison's method was to invent systems rather than components of systems. Edison did not just invent a light bulb, he invented an economically viable system of lighting including its generators, cables, metering and so on. Edison invented by repeatedly trying devices in more complex environments to progressively approximate their final use ...
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