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<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/PENROSE/2/12/18/11" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Collier, Harry</dc:title>
  <dc:description>Letter from Harry Collier thanking Penrose for papers on automatic mechanical self-reproduction, and enclosing a copy of his article about Penrose's model in the &lt;i&gt;New Scientist&lt;/i&gt; [enclosure no longer appended]. Letter annotated by Penrose, possibly with suggestions for corrections to Collier's article.</dc:description>
  <dc:date>31 May 1957</dc:date>
</rdf:Description>