alb1644613

Miners breaking up rock by setting fire on it

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. (Photo by: Universal History Archive/UIG via Getty Images).

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Title:

Miners breaking up rock by setting fire on it

Caption:

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. (Photo by: Universal History Archive/UIG via Getty Images)

Credit:

Album / Universal Images Group / Universal History Images \ UIG

Releases:

Model: No - Property: No
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Image size:

5100 x 3464 px | 50.5 MB

Print size:

43.2 x 29.3 cm | 17.0 x 11.5 in (300 dpi)

Keywords:

1869 • BURNING • CARRYING • CITY OF LONDON • COAL MINE • DANGER • ENGRAVED • ENGRAVING (ARTWORK) • ENGRAVING • ENGRAVING. • ENGRAVINGS • ETCHING • FLAME • FULL LENGTH • HEADWEAR • HEAT • HOLDING • HORIZONTAL • HOT WEATHER • ILLUSTRATION AND PAINTING • ILLUSTRATION TECHNIQUE • INDOORS • INDUSTRY • LONDON • LOUIS SIMONIN • MENACE • MINE • MINER • MINERS • MINES AND MINERS • MINES • MINING • ONLY MEN • PERIL • PRINT • RISK • SMOKE • STANDING • THREAT • TWO PEOPLE • UK • UNDERGROUND • WARMTH • WORKING