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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/3/46" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy answer from Henry Oldenburg, London, to Dr E Brown</dc:title>
  <dc:description>An answer to Dr Brown's letter of 20 April 1669 written at Vienna and ' giving the Royal Society an obliging account of the observations by you made of the mines of Hungary, accompanied with a promise of adding more in due time....'</dc:description>
  <dc:date>5 June 1669</dc:date>
</rdf:Description>