alb1650357

Refining of silver

Refining of silver, showing (2) a test put into the furnace and (3) burning the silver in a test. A test warming (8) and a roaster for making burnt silver dry (9). From 1683 English edition of Lazarus Ercker "Beschreibung allerfurnemisten mineralischen Ertzt- und Berckwercksarten" originally published in Prague in 1574. Copperplate engraving.               (Photo by: Universal History Archive/UIG via Getty Images).
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Titre:
Refining of silver
Refining of silver, showing (2) a test put into the furnace and (3) burning the silver in a test. A test warming (8) and a roaster for making burnt silver dry (9). From 1683 English edition of Lazarus Ercker "Beschreibung allerfurnemisten mineralischen Ertzt- und Berckwercksarten" originally published in Prague in 1574. Copperplate engraving. (Photo by: Universal History Archive/UIG via Getty Images)
Crédit:
Album / Universal Images Group / Universal History Images \ UIG
Autorisations:
Modèle: Non - Propriété: Non
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Taille de l'image:
3306 x 5100 px | 48.2 MB
Taille d'impression:
28.0 x 43.2 cm | 11.0 x 17.0 in (300 dpi)