<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/16/30/3" 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Unpublished letter, 'The quadrature of the circle' from James Ryan to the Duke of Sussex</dc:title>
  <dc:description>Ryan writes to introduce his paper on the quadrature of the circle.

Written by Ryan in London.</dc:description>
  <dc:date>11 September 1831</dc:date>
</rdf:Description>