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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MC/1/305" 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 Ford] Stevenson, Grande Rue, Passy, Paris, to Dr. Peter Mark Roget, Secretary of the Royal Society </dc:title>
  <dc:description>Adding further detail and corrections to his previous letter on perpetual motion, dated 12 April 1831. </dc:description>
  <dc:date>20 April 1831 </dc:date>
</rdf:Description>