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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/1/284" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Draft letter, from John Frederick William Herschel to George Biddell Airy, dated at Collingwood</dc:title>
  <dc:description>Draft letter in John Herschel's hand. Is working on a problem in polarized light, and finds his result disagreeing with F. J. D. Arago's third law; leads John Frederick William Herschel to think light cannot be undulatory in nature.</dc:description>
  <dc:date>16 October 1865</dc:date>
</rdf:Description>