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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/14/391" 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 Alexander Rogers to Sir John Herschel, dated at Bridge St., Leith</dc:title>
  <dc:description>Autograph letter signed by sender. Describes the difficulty of [P. Laplace's] Mecanique celeste. Has a new pupil. Discusses proper boundary of a front view mirror.</dc:description>
  <dc:date>2 January 1809</dc:date>
</rdf:Description>