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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/6/363" 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. Like Professor Olearius Schneiderhausen, Augustus De Morgan has had only one coat in two years. John Frederick William Herschel will go on for many more years. Sends one of his theorems.</dc:description>
  <dc:date>10 May 1863</dc:date>
</rdf:Description>