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Fotothek df tg Festungsbau Bastion Redan Ravelin Kurtine Tenaille Katze Batterie. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Abbildung TTTT Amsterdam Grundrisse Schnitte und perspektivische Ansichten von Festungsanlagen Papier Kupferstich cm Festungsbau Bastion Redan Ravelin Kurtine Tenaille Katze Batterie