<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/H3/33" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter, from Constantin Huygens to Henry Oldenburg, dated at the Hague</dc:title>
  <dc:description>Concerning the delivery of a book; observations of a large piece of talc (hydrous magnesium silicate) from Iceland sent by his son</dc:description>
  <dc:date>15 September 1676</dc:date>
</rdf:Description>