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Keywords from Image Description:
De re metallica Fahrung Fahrt. en Medieval miner using ladder to to go to the bottom of shaft de Die verschiedenen Arten der Fahrung Ein Bergmann der auf der Fahrt einfhrt DieverschiedenenArtenderFahrung UTC DieverschiedenenArtenderFahrung Georg Agricola derivative work Markscheider talk PDold cutout DieverschiedenenArtenderFahrung