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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/14/9/5" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished diagram, overlapping light rings by John Herapath</dc:title>
  <dc:description>Version of figure 3 (first version at AP/14/9/4) showing overlapping light rings, with light and dark areas of the rings delineated. AP/14/9/4 is pasted partially on top of this figure.

Subject: Optics

Written by Herapath in Cranford [London]. Received by the Royal Society on 17 June [1830].</dc:description>
  <dc:date>15 June 1830</dc:date>
</rdf:Description>