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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/15/386" 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 Heinrich Christian Schumacher to Sir John Herschel, dated at Pulkowa</dc:title>
  <dc:description>Autograph letter signed by sender. Has been busy with geodetic work. Pulkowa instruments are excellent. [F. W.] Struve has sent zenith distances of Ursa Majores. [G. von] Reichenbach's death dealt blow to precision of Munich instruments.</dc:description>
  <dc:date>10 September 1840</dc:date>
</rdf:Description>