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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/A/20" 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>Concerning designs of instruments for accurately measuring the altitude of the sun and moon; wishing to know details of the eclipse of the moon in England; Auzout gives details of his observations of the eclipse

Subject: Astronomy
Read to Royal Society on 9 January 1668</dc:description>
  <dc:date>29 December 1667</dc:date>
</rdf:Description>