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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/7/8/1" 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Unpublished letter, regarding barometrical observations from P [Peter] Heywood to [James] Horsburgh</dc:title>
  <dc:description>In this covering letter to Horsburgh, Heywood introduces his observations and states that they corroborate similar observations made by Horsburgh. Heywood explains which barometers and thermometers he used for his observations, and compares observations taken in the Northern and Southerm Hemispheres. Minor annotations appear in graphite.

Subject: Meteorology

Written by Heywood in Portsmouth [Hampshire, England].</dc:description>
  <dc:date>9 March 1808</dc:date>
</rdf:Description>