<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/30/18/9" 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Unpublished diagram, 'Model, explanatory of the adjustments of the equatorial instrument' by Charles Piazzi Smyth</dc:title>
  <dc:description>A diagram showing the working of Smyth's equatorial mount, with the hour circle, polar distance circle, polar axis, telescope, six hour circle, pole, meridian and equator labelled on the apparatus.

Subject: Scientific apparatus and instruments</dc:description>
  <dc:date>1848</dc:date>
</rdf:Description>