<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/OB/4" 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 Robert Boyle, dated at Saumur</dc:title>
  <dc:description>Concerning work by Athanasius Kircher (interest in mathematics, optics, magnetism, geology)</dc:description>
  <dc:date>29 March 1658</dc:date>
</rdf:Description>