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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/2/4a" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished paper, regarding geometry by [Johann Caspar Fraenkel]</dc:title>
  <dc:description>Unpublished paper by Fraenkel relating loosely to his previous paper on catapults, found at AP/2/4. This paper discusses four additional subjects: angles of incidence and reflection, calculation of infinite square roots, division of a circle, and Pythagoras' axiom. Fraenkel includes the paper in both German and in French. The paper includes five supporting illustrations.

Subject: Mathematics</dc:description>
  <dc:date>[1828]</dc:date>
</rdf:Description>