This Davy safety lamp was made by the J.W. Queen and Company of Philadelphia in the late 19th century. The Davy lamp was used to alert miners to the presence of methane (firedamp) and prevent mine explosions. The flame would give off a blue cap if methane was present. In order to lower the methane to acceptable levels, it would be purposefully ignited by a “fireman.” This lamp belonged to such a fireman.
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