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Fotothek df tg Theosophie Philosophie Alchemie. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Abbildung Nrnberg philosophischer Baum der Alchemisten Papier Kupferstich cm Theosophie Philosophie Alchemie ppnX Druck Deutsche Fotothek gefrdert von der Deutschen Forschungsgemeinschaft Projekt Technikgeschichte Jh