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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/6/279" 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 7 Camden St.</dc:title>
  <dc:description>Autograph letter signed by sender. Is glad to hear his health is improving. Has heard that John Frederick William Herschel is holding a large reception for all his descendents. Is progressing well with the book [on Francis Baily]. Sends a puzzle in spherical trigonometry.</dc:description>
  <dc:date>25 December 1855</dc:date>
</rdf:Description>