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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/2/198" 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 Charles Friesach, Graz to [Edward Sabine]</dc:title>
  <dc:description>Regarding ‘two treatises about nautical subjects’. Friesach shares concerns about observing the sun on board a ship in relation to the altitude. Refers to a table to make ‘sailing in a great circle as little troublesome as possible’.</dc:description>
  <dc:date>4 May 1871</dc:date>
</rdf:Description>