<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/PB/7/2/4/15/3" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy of published version of speech made by Blackett at  a meeting of the American Association for the Advancement of Science, December 1966. </dc:title>
  <dc:description>Speech entitled 'The Ever Widening Gap'.</dc:description>
  <dc:date>1966</dc:date>
</rdf:Description>