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1. Humphrey Davy and the safety lamp: the use of metal gauze as a flame barrier.

Author

Allan Mills

Subjects
*SAFETY lamps, *COAL mining accidents, *METHANE, *COOLING, *EXPLOSIONS, *PREVENTION
Abstract

The ‘safety lamp’ invented by Humphrey Davy in 1815 utilised the cooling effect of metal gauze to prevent the flame of a candle or oil lamp (essential for illumination in mines) from passing through such a screen. It is therefore rendered unable to ignite any potentially explosive mixture of air and methane in the atmosphere surrounding the lamp. A number of experimental demonstrations are detailed to illustrate this effect, and show how the lamp could also indicate the presence of methane in the air of a coal mine. [ABSTRACT FROM AUTHOR]

Published
2015
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