<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/DEJ/2/3/7" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Instructions by David Edward Hugh Jones for the perpetual motion machine [on display at the Royal Society]</dc:title>
  <dc:description>Explaining how the perpetual motion machine on display at the Royal Society works. Not to be opened until 2048. </dc:description>
  <dc:date>[1980s]</dc:date>
</rdf:Description>