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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 .
1809 Humphry Davy publicly demonstrates first electric lamp over 10,000 lumens, at the Royal Society. [6] 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.
The Davey Safety Lamp was made in London by Humphry Davy. George Stephenson invented a similar lamp but Davys invention was safer due to it having a fine wire gauze that surrounded the flame. This enabled the light to pass through and reduced the risk of explosion by stopping the "firedamp" methane gas coming in contact with the flame.
In 1919, Tilley High-Pressure Gas Company started using kerosene as a fuel for lamps. [13] In the 1920s, Tilley company got a contract to supply lamps to railways, and made domestic lamps. [12] During World War II, Armed Forces purchased quantities of lamps, thus many sailors, soldiers and airmen used a Tilley Lamp. [12]
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. [82] There is a street named Humphry-Davy-Straße in the industrial quarter of the town of Cuxhaven, Schleswig-Holstein, Germany. [83]
Light fixture, or light fitting or luminaire, is an electrical device containing an electric lamp that provides illumination; Signal lamp, or Aldis lamp or Morse lamp, a semaphore system for optical communication; Safety lamp, any of several types of lamp that provides illumination in coal mines Davy lamp
[4] [a] Later on, Stephenson adopted Davy's gauze to surround the lamp (instead of the perforated metal tube) and the intake tubes were changed to holes or a gallery at the base of the lamp. It was this revised design that was used for most of the 19th century as the Geordie lamp.
Born on 15 September 1773 at West Kyo, near Stanley, County Durham, Buddle was the only son and the fourth of six children born to John Buddle, senior, and Mary Reay.John Buddle senior was a mathematician who worked at a local school before pursuing a career in the mining industry, being responsible for his son's wide education, particularly in maths and science. [1]