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Keywords from Image Description:
Hero of Alexandria Belopoiika Paris Suppl. graec. . en Hero of Alexandria Belopoiika Design drawing showing smaller cannon Manuscript Paris Bibliothque Nationale Suppl graec fol Heron von Alexandria Belopoiika Konstruktionszeichnung eines kleineren Geschtzes in der Handschrift Paris Bibliothque Nationale Suppl graec fol century