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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/30/27" 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 Hugens de Zulichem, Paris, to Sir Robert Moray</dc:title>
  <dc:description> ' Concerning his Controversy with Mr Gregory, Mr Wren's and his own Laws of Motion of Collision of Bodies, the Watches for the Longitude, and a method of proposing Invention in a Cypher. '</dc:description>
  <dc:date>30 March 1669</dc:date>
</rdf:Description>