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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/O1/49" 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 Franciscus Slusius, dated at London</dc:title>
  <dc:description>Enquirying whether Slusius is revising his 'Mesolabe' into the symbolic method; asking him to contribute on the study of  natural history and to the advancement of mathematics and mechanics; informs him that a blood transfusion between animals has been successful, with details of the blood transfusion of a man</dc:description>
  <dc:date>25 November 1667</dc:date>
</rdf:Description>