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The Davy lamp is a safety lamp used in flammable atmospheres, invented in 1815 by Sir Humphry Davy. [1] 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.
A safety lamp is any of several types of lamp that provides illumination in places such as coal mines where the air may carry coal dust or a build-up of flammable gases, which may explode if ignited, possibly by an electric spark. Until the development of effective electric lamps in the early 1900s, miners used flame lamps to provide illumination.
1872 Coal Mines Regulation Act required locked lamps under certain conditions [5] 1881 Joseph Swan exhibited his first electric lamp 1882 Made by William Reid Clanny invented a 'bonnetted' Clanny lamp, [6] 1883 Elliis Lever of Culcheth Hall Bowdon offered a £500 prize for creation of a safe portable mining lamp. [7] [8]
The Geordie lamp was a safety lamp for use in flammable atmospheres, invented by George Stephenson in 1815 as a miner's lamp to prevent explosions due to firedamp in coal mines. Origin [ edit ]
After carbide lamp open flames were implicated in an Illinois coal-seam methane gas explosion that killed 54 miners, the 1932 Moweaqua Coal Mine disaster, [7] carbide lamp use declined in United States coal mines. They continued to be used in the coal pits of other countries, notably the Soviet Union.
Outside the entrance to Sunderland Football Club's Stadium of Light stands a giant Davy Lamp, in recognition of local mining heritage and the importance of Davy's safety lamp to the mining industry. [81] There is a street named Humphry-Davy-Straße in the industrial quarter of the town of Cuxhaven, Schleswig-Holstein, Germany. [82]
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