<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/W3/9" 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 Thomas Willis to Henry Oldenburg</dc:title>
  <dc:description>Analysis of a powder which was sent to him
Read to the Royal Society on 12 December 1667</dc:description>
  <dc:date>1667</dc:date>
</rdf:Description>