<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/4/89" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter from Franciscus Slusius to Henry Oldenburg</dc:title>
  <dc:description> ' Concerning his method of limiting Aequations, and some new thoughts of  his about the Probleme of Alhazen. '
Includes three mathematical diagrams</dc:description>
  <dc:date>9 March 1671</dc:date>
</rdf:Description>