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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/34/10/20" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished figure, rotated neutral axes of the selenite by William Bird Herapath</dc:title>
  <dc:description>A figure in coloured ink, labelled figure 33, in which 'the neutral axes of the selenite have been rotated 15 degrees, so as to be removed from the position of maximum polarisation of [...] crystals'.

Subject: Chemistry / Optics</dc:description>
  <dc:date>19 January 1854</dc:date>
</rdf:Description>