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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/PB/2/7/4/5" 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 P Ehrenfest, written from Leiden hospital, re cosmic ray work, with diagrams of equipment, graphs.</dc:title>
  <dc:description>Very full detailed letter describing work on Jungfraujoch (Ehrenfest was recovering from a tonsillectomy).</dc:description>
  <dc:date>8 November 1936</dc:date>
</rdf:Description>