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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/13/413" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Draft letter, from Sir John Herschel to Giovanni Antonio Amedeo Plana</dc:title>
  <dc:description>Apologises for delay in writing. Describes Herschel's travels across Europe and back to England. Is sending Plana copies of his papers in physics, mathematics, and astronomy, especially double stars. Describes a new instrument, a floating collimator, described by Henry Kater. Includes an abstratc of a letter to Plana dated 22 June 1825, and sent on 1 July 1825, regarding publishing Plana's papers in the Astronomical Society Memoirs.</dc:description>
  <dc:date>14 January 1825</dc:date>
</rdf:Description>