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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/M3/16" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Abstract of a letter, from Petrus van Muschenbroek to Dr J[ohn Theophilus] Desaguliers, dated at Urecht</dc:title>
  <dc:description>Account of Indian sand which is attracted to lodestones; details of experiments with the Indian sand</dc:description>
  <dc:date>15 January 1733</dc:date>
</rdf:Description>