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  2. Safety lamp - Wikipedia

    en.wikipedia.org/wiki/Safety_lamp

    The miner was expected to return to the shaft, a round trip of up to a few miles, to relight an extinguished lamp. For men on piece work paid for what they produced, a relighting could cost them perhaps 10% of their day's pay, encouraging them to take the risk. Miners would also damage the mesh to make the lamp brighter. [21]

  3. Carbide lamp - Wikipedia

    en.wikipedia.org/wiki/Carbide_lamp

    American Miners' Carbide Lamps: A Collectors Guide to American Carbide Mine Lighting. Westernlore Publications. ISBN 978-0870260643. Pohs, Henry (1995). The Miners Flame Light Book. Flame Publishing. ISBN 978-0964116504. Card, Peter W. (October 2004). Early Vehicle Lighting. Shire Publications. ISBN 978-0-7478-0585-4. Thorpe, Dave (2005).

  4. Mining lamp - Wikipedia

    en.wikipedia.org/wiki/Mining_lamp

    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. [1] 1840 Mathieu Mueseler Exhibited The Museler Lamp in Belgium. [2] 1859 William Clark patented the first electrical mining lamp. [3] 1870s J.B.Marsaut (France) double gauze design [4]

  5. Wheat lamp - Wikipedia

    en.wikipedia.org/wiki/Wheat_lamp

    A wheat lamp is a type of incandescent light designed for use in underground mining, named for inventor Grant Wheat and manufactured by Koehler Lighting Products in Wilkes-Barre, Pennsylvania, United States, a region known for extensive mining activity.

  6. Davy lamp - Wikipedia

    en.wikipedia.org/wiki/Davy_lamp

    A type of Davy lamp with apertures for gauging flame height. The lamp consists of a wick lamp with the flame enclosed inside a mesh screen. The screen acts as a flame arrestor; air (and any firedamp present) can pass through the mesh freely enough to support combustion, but the holes are too fine to allow a flame to propagate through them and ignite any firedamp outside the mesh.

  7. Geordie lamp - Wikipedia

    en.wikipedia.org/wiki/Geordie_lamp

    Stephenson's design also allowed better light output as it used glass to surround the flame, which cut out less of the light than Davy's, where the gauze surrounded it. [8] But this also posed the danger of breakage in the harsh conditions of mineworking, a problem which was not resolved until the invention of safety glass .

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