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Fotothek df tg Bergwerk Bergbau Wasserkunst Spille Seiltrommel Bulgen Treibehaus. Creator Georgius Agricola Johann Becher Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Frankfurt Main Wasserkunst Wasserkraft Rinne Hebel Wasserrinne Schaufeln Spillen Seiltrommmel Seil Bulgen Treibehaus Bettigen der Hebel Ausschtten