Laboratory for refining gold and silver, showing typical laboratory equipment. 1, Athanor or 'Slow Harry', a self-feeding furnace maintaining a constant temperature. 2,2. Side furnaces with receivers on stools, 4,4. On right of top shelf is a glass vessel shaped like an Hermetic vase. From 1683 English edition of 'Beschreibung allerfurnemisten mineralischen Ertzt', Lazarus Ercker, (Prague, 1574). Copperplate engraving.
Laboratory for refining gold and silver, showing typical laboratory equipment. 1, Athanor or 'Slow Harry', a self-feeding furnace maintaining a constant temperature. 2,2. Side furnaces with receivers on stools, 4,4. On right of top shelf is a glass vessel shaped like an Hermetic vase. From 1683 English edition of 'Beschreibung allerfurnemisten mineralischen Ertzt', Lazarus Ercker, (Prague, 1574). Copperplate engraving.
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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No
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