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Keywords from Image Description:
Diagram of Ching hexagrams owned by Gottfried Wilhelm Leibniz . Gottfried Wilhelm Leibniz It was sent to Leibniz from the French Jesuit Joachim Bouvet The Arabic numerals written on the diagram were added by Leibniz Leibniz Archive Niederschsische Landesbibliothek object history credit line accession number Perkins Franklin Leibniz