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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/1/84" 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 George Biddell Airy to Sir John Herschel, dated at Royal Observatory, Greenwich</dc:title>
  <dc:description>Autograph letter signed by sender. Concerning John Frederick William Herschel's experiments with photogenic light. Encloses paper of the comparisons between John Frederick William Herschel's and the Observatory's barometers. The Royal Astronomical Society and Royal Society [of London] want a subject for medals in astronomy, Royal Society [of London] for a Copley medal in anything.</dc:description>
  <dc:date>31 October 1839</dc:date>
</rdf:Description>