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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/3/225" 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 [Guilherme] Pegado, Meteorological Observatory, Lisbon to [Edward Sabine], Woolwich</dc:title>
  <dc:description>Refers to [Johann von] Lamont’s magnetic observations. Discusses magnetical instruments. Refers to [Charles James Buchanan] Riddell, instructions, and instruments for a fixed magnetical observatory.</dc:description>
  <dc:date>27 July 1857</dc:date>
</rdf:Description>