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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/14/6/1" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished letter, regarding calculus from John Dryden to the Royal Society</dc:title>
  <dc:description>This letter is a follow-up to Dryden's paper on angular calculus. He discusses primarily an example from his paper relating to the square root of -a. An ink inscription final page verso reads 'Not to be read'.

Subject: Mathematics

Written by Dryden in Shildon near Bp [Bishop] Auckland [Durham, England]. Postmarked 15 November 1830.</dc:description>
  <dc:date>[1830]</dc:date>
</rdf:Description>