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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/15/402" 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 Altona</dc:title>
  <dc:description>Autograph letter signed by sender. Alexander von Humboldt reports reading that Lord Rosse's telescope has resolved the nebula of Orion. Humboldt requests John Frederick William Herschel's view on the matter. Describes new government.</dc:description>
  <dc:date>12 June 1849</dc:date>
</rdf:Description>