Assayer testing samples of gold or silver using a balance. From 1683 English edition of Lazarus Ercker "Allerfurnemisten mineralischen Ertzt und Berckwercksarten", Prague, 1574. Copperplate engraving

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Size: 3543px × 2671px
Photo credit: © Photo12/Ann Ronan Picture Library / Alamy / Afripics
License: Licensed
Model Released: No

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