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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/W1/79" 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 John Wallis to Henry Oldenburg , dated at Oxford</dc:title>
  <dc:description>States that he cannot solve a problem sent by Wassenaer (mentioned in EL/W1/78); concerning corrections to 'Historia Coelestis'; explanation about whether motion can be lost</dc:description>
  <dc:date>21 December 1668</dc:date>
</rdf:Description>