k Refining gold in Prague in 1574. Copperplate engraving. Refining gold furnaces, 2,2, and operator, 9. The man near 4 is gradually heating a crucible surrounded by a ring of burning coals to increase the heat coals were be raked into a smaller circle. From 1683 English edition of Lazarus Ercker Beschreibung allerfurnemisten mineralischen Ertzt und Berckwercksarten originally published in Prague in 1574. Copperplate engraving. Editorial Stock Photo - Afloimages
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Refining gold in Prague in 1574. Copperplate engraving. Refining gold: furnaces, 2,2, and operator, 9. The man near 4 is gradually heating a crucible surrounded by a ring of burning coals: to increase the heat coals were be raked into a smaller circle. From 1683 English edition of Lazarus Ercker  Beschreibung allerfurnemisten mineralischen Ertzt  und Berckwercksarten  originally published in Prague in 1574. Copperplate engraving.
ED

Refining gold in Prague in 1574. Copperplate engraving.

Refining gold: furnaces, 2,2, and operator, 9. The man near 4 is gradually heating a crucible surrounded by a ring of burning coals: to increase the heat coals were be raked into a smaller circle. From 1683 English edition of Lazarus Ercker 'Beschreibung allerfurnemisten mineralischen Ertzt- und Berckwercksarten' originally published in Prague in 1574. Copperplate engraving.

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ID
161765914

Collection

License type
Editorial

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Creation date
04-06-2021

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