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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RBO/9/108" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Account of Reverend Felix Bernard's machine by William Jones</dc:title>
  <dc:description>Machine has two springs with intermediate wheels which produce perpetual motion
Discusses quadrature of the circle
Read to the Royal Society on 7 May 1713</dc:description>
  <dc:date>1713</dc:date>
</rdf:Description>