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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/5/11" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter from Christian Huygens, Paris, to Henry Oldenburg</dc:title>
  <dc:description> ' About his Observations of the present Phasis of Saturne : Monsieur Slusius's construction upon the Problem of Althasen : about some English books, and M. Smithwicks designs of grinding glasses no-Spherical.'</dc:description>
  <dc:date>7 November 1671</dc:date>
</rdf:Description>