<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/P1/86" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Extract of a letter, from unknown author to T[heodor] H[aak], dated at Berlin</dc:title>
  <dc:description>Wishing to use a permanent 'Noctiluca' to light a room; concerning a work to publish a key to Chinese characters</dc:description>
  <dc:date>11 January 1682</dc:date>
</rdf:Description>