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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/1/43" 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 Observatory, Cambridge</dc:title>
  <dc:description>Autograph letter signed by sender. Sends volume of observations. Remarks on A. J. Fresnel's experiments. Lists errors in John Frederick William Herschel's treatise on light. Requests information on circular double refraction.</dc:description>
  <dc:date>21 July 1830</dc:date>
</rdf:Description>