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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/2/134" 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 Adolph Erman, Pleiski to Edward Sabine</dc:title>
  <dc:description>Erman thanks Sabine for payment of the second part of reductions ‘executed’ for Sabine’s maps. Erman also sends changes of declination and inclination. Refers to ‘Wrangel and Anjou’s results’. Reference to the Gaussian constant. Discusses the Siberian observations.</dc:description>
  <dc:date>3 October 1871</dc:date>
</rdf:Description>