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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/6/175" 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 Augustus De Morgan to Sir John Herschel, dated at 90 Guilford St.</dc:title>
  <dc:description>Autograph letter signed by sender. Encloses the proof of the first part of his paper, with queries. Regarding the seal used. Volume of the memoirs have been published. There are important matters for the next Astronomical Council.</dc:description>
  <dc:date>2 November 1831</dc:date>
</rdf:Description>