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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HF/1/17/6/1/16" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>H H Wills, Physics Laboratory, Bristol University to E Evans Teush</dc:title>
  <dc:description>President of Royal Society has passed to him Teush's letter and the pair of "pinhole-cluster" spectacles - discusses use of single pinhole in order to improve definition of a lens - use of cluster of pinholes to extend the field is new to him - has arranged to discuss this with Kenneth Dunscombe - comments on possibility of opticians providing pinhole cluster spectacles as temporary measure while lens spectacles are being made.</dc:description>
  <dc:date>24 Febraury 1964</dc:date>
</rdf:Description>