This Davy style safety lamp was manufactured by the American Safety Lamp and Mine Supply Company of Scranton, Pennsylvania in the latter half of the 19th century. The “safety” mining lamp was a tremendous step forward in preventing mining disasters. Encasing the flame in metal gauze prevented the flame from escaping the lamp and igniting the combustible gases (called firedamp), as would happen with the open flames of carbide or oil-wick lamps.
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