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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/H2/2" 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 Johannes Hevelius to Henry Oldenburg, dated at Danzig (Gdansk)</dc:title>
  <dc:description>Thanks for being elected to the Fellowship; observations of the solar eclipse (tables attached); observations of the orbit of Mercury; concerning the manufacture of polemoscopes with four lenses according to his principles
Read to the Royal Society on 21 September 1664</dc:description>
  <dc:date>10 September 1664</dc:date>
</rdf:Description>