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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/17/108" 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 Wilhelm Struve to Sir John Herschel, dated at Dorpat</dc:title>
  <dc:description>Autograph letter signed by sender. Offers to participate in determining stellar parallaxes by finding the angle position of double stars. Apprises Henry Kater that he has never seen Saturn's rings separated. Includes micrometer measurements of Saturn and Jupiter.</dc:description>
  <dc:date>3 May 1826</dc:date>
</rdf:Description>