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Davy lamp : ウィキペディア英語版
Davy lamp

The Davy lamp is a safety lamp for use in flammable atmospheres, invented in 1815 by Sir Humphry Davy.〔 It consists of a wick lamp with the flame enclosed inside a mesh screen. It was created for use in coal mines, to reduce the danger of explosions due to the presence of methane and other flammable gases, called ''firedamp'' or ''minedamp''.
== History ==

The news about Davy's lamp was made public at a Royal Society meeting in Newcastle on 3 November 1815, and the paper describing the lamp was formally presented on 9 November.〔 For it, Davy was awarded the Society's Rumford Medal. (Davy's invention had been preceded by that of William Reid Clanny, an Irish doctor at Bishopwearmouth, who had also read a paper to the Royal Society in May 1813. The more cumbersome Clanny safety lamp was successfully tested at Herrington Mill, and he, too, won medals, from the Royal Society of Arts).〔 The first trial of a Davy lamp with a wire sieve was at Hebburn Colliery on 9 January 1816.〔

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