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Fotothek df tg Bergbau Markscheidekunst Magnet Magnetnadel. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Abbildung No an Seite Eisleben Winkelweiser Magnetnadeln Instrument fr das Ermitteln von Proportionen Berechnen von Proportionen Fig Papier Kupferstich cm beschnitten Bergbau Markscheidekunst Magnet Magnetnadel