19th Century mining explosion. Historical illustration showing a firedamp explosion in a mine in Anderlues, Belgium. Firedamp is the name given to a number of flammable gases found in coal mines. The gas accumulates in pockets in the coal and adjacent strata, and if penetrated, the release can trigger explosions. Image from Le Petit Journal newspaper, France, April 1892.
July 25th, 2016
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