Assay laboratory for gold and silver
Assay laboratory for gold and silver. 1) Furnace: 2) Sheet of iron onto which assays are poured: 3) Parting flask: 5) Assay by water displacement. From 1683 English edition of Lazarus Ercker Beschreibung allerfurnemisten mineralischen Ertzt- und Berckwercksarten originally published in Prague in 1574. Copperplate engraving
Picture No
13901252
Media ID
48480878
Size
2387px x 3073px
(1.4MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive
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1574 1683 Allerfurnemisten Assay Berckwercksarten Beschreibung Displacement Ercker Ertzt Flask Furnace Lazarus Mineralischen Onto Parting Poured
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