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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/11/256" 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 Joseph Johann Littrow to Sir John Herschel, dated at Vienna</dc:title>
  <dc:description>Autograph letter signed by sender. Is sending papers for the Astronomical Society Memoirs, on telescope lenses and the construction of telescopes, planetary observations, and the use of equatorial telescopes. Is anxious to see John Frederick William Herschel's writings on light and his nebulae catalogue.</dc:description>
  <dc:date>18 October 1829</dc:date>
</rdf:Description>