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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/CLP/24/17/5" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Diagram, by John Collins</dc:title>
  <dc:description>Figures in a letter to Henry Oldenburg from John Collins, who had been editing the works on curves and conic sections by John Wallis and Isaac Barrow. Diagrams show triangles with curves cutting across them, both with various measurements within them. Collins proposed several problems relating to these works to Renatus Franciscus Slusius via this letter.

Subject: Mathematics</dc:description>
  <dc:date>c.15 March 1670</dc:date>
</rdf:Description>