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Fotothek df tg Bergwerk Bergbau Verhttung Httenwesen Metallurgie Pochwerk. Creator Georgius Agricola Johann Becher Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Frankfurt Main Pochwerk Papier Holzschnitt cm Bergwerk Bergbau Verhttung Httenwesen Metallurgie Pochwerk ppn Druck Deutsche Fotothek gefrdert von der