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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/9/89" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter from Mr Walker, Oxford, to Francis Aston</dc:title>
  <dc:description> ' About the Ignis Graecus  a Watch moving upon  a Declivity ; Account of Vines, Aegyptian Pillars and Nitroon. '</dc:description>
  <dc:date>4 June 1684</dc:date>
</rdf:Description>