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Fotothek df tg Kriegskunde Pyrotechnik Pulver Gef. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH XLII Figur Straburg Bottiche zur Schiepulverherstellung Papier Kupferstich cm Kriegskunde Pyrotechnik Pulver Gef ppn Druck Deutsche Fotothek gefrdert von der Deutschen Forschungsgemeinschaft Projekt Technikgeschichte