Underground Miner High Resolution Stock Photography and ...
The Penitent, or Fireman. This was the miner who, swathed in damp sacking, undertook the task of igniting pockets of which, the inflammable gas Methane, called Firedamp which, if allowed to build up, could cause disastrous explosions in coal mines. From ''Underground Life; or, Mines and Miners'' by Louis Simonin (London, 1869). Wood engraving. .