<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/C2/13" 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 Dethlevus Cluverus to Robert Southwell, dated at Sleswig</dc:title>
  <dc:description>Autograph letter
Cluverus discusses his theory for the quadrature of an hyperbola
Read to the Royal Society on 13 January 1691</dc:description>
  <dc:date>4 November  1691</dc:date>
</rdf:Description>