Polish miners at Wielleczka salt mine descending

Polish miners at Wielleczka salt mine descending the shaft in a group of six each sitting in a loop of rope, with all six loops attached to a single rope. Because explosive gases are not a problem in salt mines, the miners are carrying candles with naked flames for light. From Underground Life; or, Mines and Miners by Louis Simonin (London, 1869). Wood engraving

1869 Descending Explosive Gases Loop Loops Mines Shaft Simonin

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