Title
Refining gold
Caption
Refining gold: furnaces, 2,2, and operator, 9. The man near 4 is gradually heating a crucible surrounded by a ring of burning coals: to increase the heat coals were be raked into a smaller circle.
From 1683 English edition of Lazarus Ercker "Beschreibung allerfurnemisten mineralischen Ertzt- und Berckwercksarten" originally published in Prague in 1574. Copperplate engraving. S
Date
16th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07111_009667P
License type
Rights managed
Available size
28,1Mb (2,3Mb) / 9,2in x 11,8in / 2774 x 3543 (300dpi)