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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/G1/51" 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 Stephen Gray to Hans Sloane, dated at Canterbury</dc:title>
  <dc:description>Concerning an instrument which can  measure more precisely the height of mercury in a barometer
Figure attached
Read to the Royal Society on 4 May 1698
Printed in 'Philosophical Transactions', vol 20, no 240, p 176 </dc:description>
  <dc:date>2 May 1698</dc:date>
</rdf:Description>