Nur Bild anzeigenPreparation of copper and silver to be alloyed for production of coins. Copper melted (1) while apprentice (9) soaks birch twigs in water. When copper poured on twigs it forms grains. It is then ready to be alloyed with silver being heated at (7). From 1683 English edition of Lazarus Ercker ‘Beschreibung allerfurnemisten mineralischen Ertzt’ of 1580. Copperplate engravingBildnummerAKG1075702KollektionIAM Image Asset ManagementBildnachweisakg-images / WHA / World History ArchiveThemenMETALLPRÄGENGröße3764px × 4961px (53 MB) 31.8 cm × 42.0 cm @ 300 dpiSonder- größen6000px × 7909px (136 MB) JPEG50.8 cm × 67.0 cm @ 300 dpiZur Lightbox 'My First Lightbox' hinzufügen Zum Warenkorb hinzufügenDownload