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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/6/182" 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 5 Upper Gower St.</dc:title>
  <dc:description>Autograph letter signed by sender. Sending him the Calculus of Functions, which he may retain, and also some maps of the stars published by Society for the Diffusion of Useful Knowledge. The Royal Astronomical Society is preparing a picture of Francis Baily and has added John Frederick William Herschel's name to the subscription list. Supposes he has fixed a date for his return. Regarding 'Warren's jet blacking.'</dc:description>
  <dc:date>10 July 1836</dc:date>
</rdf:Description>