Assayer testing samples of gold and silver, 1683. Copperplate engraving from the 1683 English edition of Beschreibung Allerfurnemisten Mineralischen Ertzt (Treatise on Ores and Asssaying), by Lazarus Ercker, published in 1580. This edition has new plates with numbers rather than letters, but the process is faithfully copied. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Ann Ronan Picture Library |
Bildgröße: | 4813 px × 3626 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |