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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/O2/60" 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 Renatus Slusius, dated at London</dc:title>
  <dc:description>Thanks him for sending information about recently published books; recounts Robert Boyle's method of detecting the atmosphere's changes in weight; concerning Slusius' construction of the Alhazen's problem; concerning Huygens' observation of Saturn; concerning the observations of sunspots by Cassini, Picard, Sivers, Hooke; that Willis has finished his 'De brutorum anima' and 'De morbis capitis'; concerning other literary notices</dc:description>
  <dc:date>November 1671</dc:date>
</rdf:Description>