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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/6/345" 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 41 Chalcot Villas NW</dc:title>
  <dc:description>Autograph letter signed by sender. Many thanks for his new projection of the sphere. J. L. Lagrange has two papers of 1779 on the subject. John Lee elected president at the Royal Astronomical Society He himself has resigned from the council.</dc:description>
  <dc:date>17 March 1861</dc:date>
</rdf:Description>