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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/6/368" 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 91 Adelaide Road</dc:title>
  <dc:description>Autograph letter signed by sender. Hopes all are well. Comments on Charles Babbage's latest book. Intends telling the truth about James Ivory's delusions. Sends proof that ten is an even number.</dc:description>
  <dc:date>12 February 1864</dc:date>
</rdf:Description>