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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MC/4/319" 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 Sylvester O'Sullivan, 9 Lower Ormond Quay, Dublin, to the [Earl of Rosse] President of the Royal Society</dc:title>
  <dc:description>Enclosing a copy of his construction and demonstration of the trisection of the angle. O'Sullivan explains the background of his work and details his methods. 

[Enclosure not present in volume, see related record.]</dc:description>
  <dc:date>31 January 1850</dc:date>
</rdf:Description>