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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/10/99" 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 Robert Hunt to Sir John Herschel, dated at Falmouth</dc:title>
  <dc:description>Autograph letter signed by sender. Sends some specimens of photographs he has made by using bichromate of potash and an acid solution of nitrate of mercury. Gives details of a luminous phenomena he has seen in the S.W. and would like an explanation of it from John Frederick William Herschel.</dc:description>
  <dc:date>23 April 1843</dc:date>
</rdf:Description>