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Fotothek df tg Optik Instrument Katoptrik Spiegel Reflexion. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Tabula Lib Wien Frankfurt Main Reflexion des doppelkpfigen Adlers am Wlbspiegel Papier Kupferstich cm Optik Instrument Katoptrik Spiegel Reflexion ppnX Druck Deutsche Fotothek gefrdert von der Deutschen