<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/JHG/2/11/1" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Conversion chart for gas concentrations, owned by John Henry Gaddum</dc:title>
  <dc:description>Conversion chart for concentrations of various toxic gases at 25C. From the Experimental Station, Porton, Wilts[hire]. Found in the wartime laboratory notebook of J H Gaddum [JHG/2/10]. </dc:description>
  <dc:date>nd</dc:date>
</rdf:Description>