Various mufles and tools, used for assaying gold and silver
Title

Various mufles and tools, used for assaying gold and silver

Caption

Assaying: Various muffles used in assay ovens for assaying gold and silver 1,2,3: 4,5,6, stopples, bottom plates and covers: 7, wooden mould for forming muffles: 11, 12, bottom and top of assay crucible.
From 1683 English edition of Lazarus Ercker "Beschreibung allerfurnemisten mineralischen Ertzt- und Berckwercksarten" originally published in Prague in 1574.
Copperplate engraving.

Date

16th century

Credit line

Photo12/Ann Ronan Picture Library

Reference

ARP07111_009631P

License type

Rights managed

Available size

31,8Mb (2,5Mb) / 10,4in x 11,8in / 3134 x 3543 (300dpi)

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