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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/66/22/2" 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Unpublished diagram, 'Spectrum as seen by a normal-sighted person' by Frederick William Edridge-Green </dc:title>
  <dc:description>A spectrum diagram in black ink, labelled diagram A, consisting of a row of short, vertical lines. From left to right the diagram is labelled red, orange, yellow, green, blue and violet, with the distance between each colour increasing.

Subject: Optics</dc:description>
  <dc:date>1890</dc:date>
</rdf:Description>