<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/12/142" 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  Hans Sloane to Monsieur Du Verger</dc:title>
  <dc:description> ' Letter sent in answer to his Letter written with a description of an Instrument he invented to solve these Geometrical Problems viz the Trisection of an Angle the Doubling of a Cube, and the Squareing of a Circle. '</dc:description>
  <dc:date>24 July 1700</dc:date>
</rdf:Description>