Of the Fiery Damp.
THe Fiery Damp is of all others the most dangerous, but is never seen in our pits, though in pits at Leeds, which is not above 12. miles off, as also in the Lancashire pits, and Newcastle pits, I have heard much of it.
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THe Fiery Damp is of all others the most dangerous, but is never seen in our pits, though in pits at Leeds, which is not above 12. miles off, as also in the Lancashire pits, and Newcastle pits, I have heard much of it.
It is a Vapour, or Exhalation, which comes out of the Mineral, or out of the clifts in the Mineral, and it some∣times comes out Fired, and sometimes in the form of a Smoke, which afterwards fires of its own accord, and then forces its way with that vehemence and activity, that it drives all away before it, and kils without mercy; insomuch that I have heard, that not many years ago, three men in Newcastle-pits were so shattered with it, that their very limbs were sever'd.
This Fiery Meteor is observ'd to run all along the roof of the pit, so that if the Collyers have the fortune to see it issuing out, there is no way to secure themselves, but to lye flat along to the seat of the pit, and so do some∣times escape so great a danger. Sometimes it has taken its way up at the pit-eye, or shaft, with such vehemency, that it has thrown the Turn quite away from the mouth of the pit, which is a Cylinder of wood of a great weight, and has burnt and sindg'd the Rope, as black as Light∣ning does Trees.
This is that Meteor, certainly, that Paracelsus calls the Coruscation of Metals, which, he sayes, is a sign of Me∣tals in that place; and, doubtless, is it that occasions Earthquakes, whensoever it happens in any quantity, and can have no Vent.