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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/1/67" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy extract of a letter from Christian Huygens, Haye, to Robert Moray</dc:title>
  <dc:description>Concerning 'Colours; Watches; an Instrument for measureing the descent of heavy Bodys; an Appearance of Saturne'
Includes
1. Figure of a pendulum, page 185
2. Figure relating to Saturn</dc:description>
  <dc:date>29 August 1664</dc:date>
</rdf:Description>