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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/NLB/58/128" 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 James Hopwood Jeans, Secretary of the Royal Society; to Professor [Joseph Ernest] Petavel, FRS</dc:title>
  <dc:description>Informs Professor [Joseph Ernest] Petavel that Hyde has said he would like four new blocks made for his paper in order to show his pressure scale both in terms of kilograms per square cm and tons in square inch. Asks Professor Petavel if he could advise him on whether this is really necessary. </dc:description>
  <dc:date>17 March 1920</dc:date>
</rdf:Description>