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Keywords from Image Description:
Fotothek df tg Geometrie Vermessung Vermessungsinstrument Quadrant. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Frankfurt Main Quadrant Papier Holzschnitt cm Geometrie Vermessung Vermessungsinstrument Quadrant ppn Druck Deutsche Fotothek gefrdert von der Deutschen Forschungsgemeinschaft Projekt Technikgeschichte