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Fotothek df tg Bergwerk Bergbau Bergkompass Agricola. Creator Georgius Agricola Johann Becher Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Frankfurt Main Bergkompass Papier Holzschnitt cm Bergwerk Bergbau Bergkompass Agricola ppn Druck Deutsche Fotothek gefrdert von der Deutschen Forschungsgemeinschaft Projekt