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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/1/258" 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 John Caldecott, Barcelona to [Edward Sabine]</dc:title>
  <dc:description>Caldecott introduces his brother to [Sabine] and requests Sabine to acquaint him with the transportable magnetometer. Discussion regarding magnetic observations and horizontal intensity determinations. Refers to magnetic apparatus and the magnetic equator.</dc:description>
  <dc:date>13 December 1840</dc:date>
</rdf:Description>