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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/6/355" 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. Suspects that J. J. Sylvester and John Frederick William Herschel agree in their theories. Is inclined to agree with them as his third paper on logic shows. Has read John Frederick William Herschel's book and will return it soon. Has 30,000 life policies to calculate.</dc:description>
  <dc:date>30 May 1862</dc:date>
</rdf:Description>