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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MC/5/340" 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 Dr Paul Escher, Vienna, to [William Hallowes Miller], Foreign Secretary of the Royal Society</dc:title>
  <dc:description>Presenting his solution on the trisection of the angle. The letter includes a small illustration of the problem. </dc:description>
  <dc:date>18 April 1858</dc:date>
</rdf:Description>