Assay laboratory with various forms of furnace including and athanor or 'Slow Harry', 7, self-stoking furnace for cementation, 9, and barrel-shaped furnace, 3, in which draught supplied by steam from water in container placed over hot charcoals. At 4 a crucible is being gradually heated in a ring of burning coals: to increase the heat coals could 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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SKU: 1746-19581779
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Assay laboratory with various forms of furnace including and athanor or 'Slow Harry', 7, self-stoking furnace for cementation, 9, and barrel-shaped furnace, 3, in which draught supplied by steam from water in container placed over hot charcoals. At 4 a crucible is being gradually heated in a ring of burning coals: to increase the heat coals could 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.

SuperStock offers millions of photos, videos, and stock assets to creatives around the world. This image of Assay laboratory with various forms of furnace including and athanor or 'Slow Harry', 7, self-stoking furnace for cementation, 9, and barrel-shaped furnace, 3, in which draught supplied by steam from water in container placed over hot charcoals. At 4 a crucible is being gradually heated in a ring of burning coals: to increase the heat coals could 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. by World History Archive/Image Asset Management is available for licensing today.