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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/1/292" 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 J C Brito Capela, Lisbon to Edward Sabine</dc:title>
  <dc:description>Discussion regarding magnetic instruments from [Alexander] Adie, in particular photographic magnetographs. Includes a small diagram depicting the placement of the declination [magnetometer], inclinometer, and bifilar.</dc:description>
  <dc:date>26 January [c.1860]</dc:date>
</rdf:Description>