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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/2/140" 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, Berlin to Edward Sabine</dc:title>
  <dc:description>Erman refers to his and Dr [Otto] Kersten’s barometric observations, and Erman’s magnetic determinations at Berlin. Discussion regarding the declination at ‘Kennedy and Point Barrow [Nuvuk]’, and refers to the horary angle and the dip. Includes formulas.</dc:description>
  <dc:date>25 April [1806-1877]</dc:date>
</rdf:Description>