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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/17/110" 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. Interested in John Frederick William Herschel's catalogue of dimmer double stars. Worries about determining parallax of very close stars. Points out mistake in John Frederick William Herschel's formula for determining 'the maxima and minima of the position angles.' Informs John Frederick William Herschel of German translation of William Herschel's writings, Wilhelm Herschels sämmtliche Schriften.</dc:description>
  <dc:date>9 December 1826</dc:date>
</rdf:Description>