<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/HALDANE/5/6/3/1/36" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Oxygen Release Valve Patent</dc:title>
  <dc:description>Correspondence with David S Chubb regarding a patent for an oxygen release valve. Includes a diagram of the valve.</dc:description>
  <dc:date>9 Apr - 16 Dec 1941</dc:date>
</rdf:Description>