<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/34/10/5" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished figure, 'Rotating an alpha prism through 360 degrees in polarised light and with the red selenite stage' by William Bird Herapath</dc:title>
  <dc:description>A figure in black, green and red ink, labelled figure 10, illustrating the results of one of Herapath's experiments into the properties of crystals.

Subject: Chemistry / Optics</dc:description>
  <dc:date>19 January 1854</dc:date>
</rdf:Description>