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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/14/510" 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 George Rümker to Sir John Herschel, dated at Hamburg</dc:title>
  <dc:description>Autograph letter signed by sender. Sends observations of additional circumpolar nebulae. Notes differences between his observations and those of John Frederick William Herschel. Hopes to determine positions of very faint nebulae in the future.</dc:description>
  <dc:date>28 August 1866</dc:date>
</rdf:Description>