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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/PT/9/10/7" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Plate, three sets of concentric rings and colour distribution by unknown artist</dc:title>
  <dc:description>Watercolour labelled 'Fig. 4' showing colour distribution across three sets of concentric rings created by light reflecting off of a lens. This plate was not printed as part of the paper.

Subject: Physics

Written by Knox in Belfast. Communicated by Thomas Young. Read 6 April 1815.</dc:description>
  <dc:date>6 October 1812</dc:date>
</rdf:Description>