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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/O2/2" 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 Henry Oldenburg to [Christiaan] Huygens, dated at London</dc:title>
  <dc:description>That the 60-foot telescope has not worked well; concerning Hooke's pocket watch; details of Wren's method for printing; concerns making a large concave mirror; that the clock moved by a lodestone is a spring clock; concerning new books</dc:description>
  <dc:date>5 July 1669</dc:date>
</rdf:Description>