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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/B1/119" 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 Augustin Boutens to Henry Oldenburg</dc:title>
  <dc:description>Autograph letter  - Boutens sends 150 pounds of 'Helmontian Ludus' (type of stone)  in return for some books; description of earth and stones on the banks of the river Sceld near Brabant
Read to the Royal Society on 25 June 1668</dc:description>
  <dc:date>26 May 1668</dc:date>
</rdf:Description>