Miners breaking up rock by setting a fire on it. When the rock cooled it would crack and shatter which made it easy to work with picks. Greater break up could be achieved by pouring cold water over the hot rock. This process was used in Saxony, Hungary and the Harz mines before the introduction of blasting powder. From 'Underground Life; or, Mines and Miners' by Louis Simonin (London, 1869). Wood engraving.

Miners breaking up rock by setting a fire on it. When the rock cooled it would crack and shatter which made it easy to work with picks. Greater break up could be achieved by pouring cold water over the hot rock. This process was used in Saxony, Hungary and the Harz mines before the introduction of blasting powder. From 'Underground Life; or, Mines and Miners' by Louis Simonin (London, 1869). Wood engraving.
SuperStock offers millions of photos, videos, and stock assets to creatives around the world. This image of Miners breaking up rock by setting a fire on it. When the rock cooled it would crack and shatter which made it easy to work with picks. Greater break up could be achieved by pouring cold water over the hot rock. This process was used in Saxony, Hungary and the Harz mines before the introduction of blasting powder. From 'Underground Life; or, Mines and Miners' by Louis Simonin (London, 1869). Wood engraving. by World History Archive/Image Asset Management is available for licensing today.
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DETAILS
Image Number: 1746-19581870Rights ManagedCredit Line:World History Archive/Image Asset Management/SuperStockCollection:Image Asset ManagementContributor:World History ArchiveModel Release:NoProperty Release:NoResolution:2780×1888
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