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ARAGO Francois Astronomie Populaire djvu Fig. fr Fig Coupe de la lunette et du disque dent pour une vitesse double de celle qui produit la premire clipse dans l'appareil de Fizeau Extrait de Astronomie populaire Tome de Franois ARAGO sur Creator Franois Arago PDold Illustrations for Arago's Astronomie populaire Uploaded with