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Keywords from Image Description:
Theon of Alexandria Commentary Vaticanus graecus . Ptolemy Canones manuales astronomical tables in ms Biblioteca Apostolica Vaticana Vaticanus graecus fol Theon von Alexandria Kommentar zu Klaudios Ptolemaios Canones manuales astronomische Tafeln in der Handschrift Biblioteca Apostolica Vaticana Vaticanus graecus fol copy Theon