<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/525/7/1/25" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Sketch of an electric arc lamp heat ray weapon by Dugald Clerk</dc:title>
  <dc:description>Sketch and notes, apparently drawn up in drafting a reply to W H Errington, on the feasibility of a heat-based weapon. </dc:description>
  <dc:date>[3 July 1915]</dc:date>
</rdf:Description>