fire-damp

fire-damp

Methane, CH4, found in coal mines.
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References in classic literature ?
It was labour, whose practical difference from the other forms of labour consisted in the nature of its risk, which did not lie in ankylosis, or lead poisoning, or fire-damp, or gritty dust, but in what may be briefly defined in its own special phraseology as "Seven years hard.
If they were not killed in the first blast, they could have died in the deadly fire-damp gas or the fires that raged after.