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<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/PEARSON/5/1/2/1" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Allhusen &amp; Sons, C</dc:title>
  <dc:description>Letter to Weldon asking for communication on chlorine production. Weldon's reply on verso informs that extra patents may be required before discussion of the matter.</dc:description>
  <dc:date>Dec 1866</dc:date>
</rdf:Description>