﻿<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/O2/100" 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 Henry Oldenburg to Renatus Slusius</dc:title>
  <dc:description>Sends Slusius's construction of the Alhazen problem to Huygens; concerning the height of mercury in a tube purged of air; wishes to see Slusius's method of tangents; that Mr Collins would like to know Slusius's opinion of Hudden's appendix to 'Geometrie' of Descartes, which Oldenburg quotes, and also about Dulauren's assertions regarding cubic equations </dc:description>
  <dc:date>16 December 1672</dc:date>
</rdf:Description>