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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/12/303" 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 William Mathews, Jr. to Sir John Herschel, dated at Carpenter Rd., Edgbaston</dc:title>
  <dc:description>Autograph letter signed by sender. While in Switzerland requested his wife to send to John Frederick William Herschel a little tract on Count de S. Robert's hypsometrical investigations. Found that Robert's formulae worked correctly for ordinary European heights. Realizes that John Frederick William Herschel demolished Robert's theories, but Robert also showed observations on P. S. Laplace's theories.</dc:description>
  <dc:date>16 September 1868</dc:date>
</rdf:Description>