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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/1/40" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy of an extract of a letter written by Christian Huygens, Paris, to Robert Moray </dc:title>
  <dc:description>'Touching the standing of the purged Mercury at the height of fifty five inches'</dc:description>
  <dc:date>11 November 1663</dc:date>
</rdf:Description>