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Keywords from Image Description:
Fotothek df tg Geometrie Mathematik Vermessung Obelisk. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Frankfurt Main Vermessen der Hhe eines Obelisken Papier Kupferstich cm Geometrie Mathematik Vermessung Obelisk ppn Druck Deutsche Fotothek gefrdert von der Deutschen Forschungsgemeinschaft Projekt Technikgeschichte