This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Fotothek df tg Bergwerk Bergbau Verhttung Httenwesen Metallurgie Kupfer. Creator Georgius Agricola Johann Becher Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Frankfurt Main Zerkleinern von Kupfer Papier Holzschnitt cm Bergwerk Bergbau Verhttung Httenwesen Metallurgie Kupfer ppn Druck Deutsche Fotothek gefrdert