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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/30/1" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter from R F Dom Robert Des Gabetz to Mr Du May</dc:title>
  <dc:description> ' Concerning the Copernican System of the World ; perpetual Motion : the application of a Pendulum to a Pocket - Watch or a new Mill and Improvements in Navigation and Musick by New Instrumetns. '
Includes 3 mathematical diagrams

Read to the Royal Society on 2 December 1669</dc:description>
  <dc:date>21 September 1669</dc:date>
</rdf:Description>