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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/17/304" 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 Henry Fox Talbot to Sir John Herschel, dated at Lacock Abbey</dc:title>
  <dc:description>Autograph letter signed by sender. Announces his invention of the 'calotype', and his application for a patent. Questions John Frederick William Herschel on his address to the Royal Astronomical Society, objecting to idea that universe is infinite.</dc:description>
  <dc:date>17 March 1841</dc:date>
</rdf:Description>