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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/3/86" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy of a letter from John Wallis, London, to Francis Slusius</dc:title>
  <dc:description>Concerning the occasion of Dr Wren's invention of the Heperbolical Cylindroid, and his conference about it withy Doctor Wallis

Includes two small ink diagrams in the margin

This letter mentioned in the previous one [LBO/3/85]</dc:description>
  <dc:date>10 September 1669</dc:date>
</rdf:Description>