<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RBO/4/15" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>A Cypher by Dr Christopher Wren</dc:title>
  <dc:description>Substitution cipher key 'communicated the same day to the Royal Society and ordered to be sent to Mons Huygens'</dc:description>
  <dc:date>4 February 1669</dc:date>
</rdf:Description>