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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RBO/7/75" 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 William Derham to Hans Sloane 'about a contrivance to measure the height of the Mercury in the Barometer by a Circle on one of the weather Plates'</dc:title>
  <dc:description>Letter dated 3 January 1698
Also gives explanations for a diary of weather observations for 1697 which was sent</dc:description>
  <dc:date>1698</dc:date>
</rdf:Description>