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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/743/1/183" 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, Royal Institution of Great Britain, to [John Hall] Gladstone</dc:title>
  <dc:description>Offering Harcourt's amyl pentane and asking to see and copy Gladstone's apparatus for measuring refractive indices of liquids.</dc:description>
  <dc:date>18 November [no year]</dc:date>
</rdf:Description>