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Keywords from Image Description:
Pantelegraph. Pantelegraph Pantelegraph German de Datei DgNuB edited for clearer rendering in low resolution original source Die gesammten Naturwissenschaften Dritte Auflage In drei Bnden Erster Band Druck und Verlag von Bdeker Seite unten Bild Giovanni Abbate Caselli scanned by de user Wefo This image is in the public domain