https://www.merriam-webster.com/dictionary/firedamp
FIREDAMP Definition & Meaning - Merriam-Webster
The meaning of FIREDAMP is a combustible mine gas that consists chiefly of methane; also : the explosive mixture of this gas with air.
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https://commons.wikimedia.org/wiki/Category:Firedamp
Category:Firedamp - Wikimedia Commons
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https://theses.gla.ac.uk/79932/
Effects of Sparking from Various Classes of Tool Steel in Explosive Mixtures of Firedamp and Air...
https://api.parliament.uk/historic-hansard/commons/1936/nov/24/firedamp-detector-regulations
FIREDAMP DETECTOR REGULATIONS. (Hansard, 24 November 1936)
FIREDAMP DETECTOR REGULATIONS. (Hansard, 24 November 1936)
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