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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/20/7" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished letter, regarding terrestrial magnetism from Baron Humboldt to the President of the Royal Society</dc:title>
  <dc:description>Humboldt presents his plan for the observation of terrestrial magnetism, suggesting that permanent magnetic observatories should be installed across the globe, and seeking the Royal Society's support in establishing new observatories.

Subject: Magnetism

Written by Humboldt in Berlin.</dc:description>
  <dc:date>23 April 1836</dc:date>
</rdf:Description>