Title
Assay laboratory for gold and silver
Caption
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.
Date
16th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07111_009668P
License type
Rights managed
Available size
27,9Mb (2,1Mb) / 9,2in x 11,8in / 2752 x 3543 (300dpi)