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 Fustel Ritzfustel Handfustel Treibefustel Grof. Creator Georgius Agricola Johann Becher Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Frankfurt Main Verschiedene Arten von Fustel Ritzfustel Handfustel Treibefustel zweihndigesd Treibefustel Grofustel hlzerner Stiel Ritzfustel mit