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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MC/1/270" 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 Le Duc Duhamel, 13 Bedford Place, Commercial Road, London, to the Duke of Sussex, [President of the Royal Society] </dc:title>
  <dc:description>Regarding Duhamel's work on the problem of longitude, which has previously involved him presenting a method to the Board of Longitude in October 1827 and January 1829. </dc:description>
  <dc:date>30 December 1830</dc:date>
</rdf:Description>