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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/C2/11" 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 Dethlevus Cluverus to Gottfried Wilhelm von Leibniz, dated at London</dc:title>
  <dc:description>Autograph letter
Concerning arithmetical and algebraical matters; discussing a new arithmetical machine</dc:description>
  <dc:date>6 April 1680</dc:date>
</rdf:Description>