<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/1/28" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy extract of a letter from Christian Huygens to Robert Moray </dc:title>
  <dc:description>Contains his answer to Mr Hobbs defence of his geometrical problems
Includes 5 figures on two sides of a page relating to the cube </dc:description>
  <dc:date>nd</dc:date>
</rdf:Description>