<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/DM/3/64" 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 P M Roget, Secretary, Royal Society, to Bontemps</dc:title>
  <dc:description>Concerning some portions of glass for optical purposes which Bontemps offered to the Optical Glass Committee and which were not found to be satisfactory.</dc:description>
  <dc:date>26 December 1828</dc:date>
</rdf:Description>