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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/3/54" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter from Jean Cassini, Paris, to Henry Oldenburg</dc:title>
  <dc:description>
Concerning his readiness to correspond in Philosophical Mattersk and wht he i8s doing concerning the Ephemerides of the Jovialists, and the effects of a Telescope of Campani his workmanship</dc:description>
  <dc:date>10 June 1669</dc:date>
</rdf:Description>