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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/S2/49" 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 Robert Simson to James Jurin, dated at Glasgow</dc:title>
  <dc:description>Discussing Mr Machin's paper deducing his series from the theory of tangents; concerning Mr Gravesandlt's doctrine of motion; concerning a weather diary; concerning the restitution and demonstration of the two propositions in Pappus relating to 'porisms'</dc:description>
  <dc:date>22 March 1722</dc:date>
</rdf:Description>