<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RB/1/19/17" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Fransois du Laurens, 'Invitatur  quicunque sponsionem vult suscipere super inventione duarum mediarum Proportionalium'</dc:title>
  <dc:description>Geometrical observation signed by 'Fransois du Laurens' (fol. 180). \r\nHand: unknown</dc:description>
  <dc:date></dc:date>
</rdf:Description>