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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/17/399" 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 John Tyndall to Sir John Herschel, dated at Royal Institution</dc:title>
  <dc:description>Autograph letter signed by sender. Sends copy of John Tyndall's '3rd Memoir,' along with specimens of liquid mercury ethyl and mercury methyl from discoverers Edward Frankland and B. F. Duppa.</dc:description>
  <dc:date>7 February 1865</dc:date>
</rdf:Description>