<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/3/16/2" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished diagrams, arch construction by [Marquis Luigi Malaspina di Sannazaro?]</dc:title>
  <dc:description>Figures 1-10 showing the geometric angles underpinning the construction of various types of arches.

Subject: Engineering / Mathematics</dc:description>
  <dc:date>[early 19th century]</dc:date>
</rdf:Description>