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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/A/9" 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 Adrian Auzout to Henry Oldenburg, dated at Paris</dc:title>
  <dc:description>Mentions Robert Hooke's lens-grinding machine and his new invention for lengthening telescopes. Also concerns Tito Livio Burattini's optical glasses and his observations of Venus.

Subject: Optometry / Astronomy </dc:description>
  <dc:date>12 February 1666</dc:date>
</rdf:Description>