<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/33/24/2" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished figures, magnetic needles by Julius Roberts</dc:title>
  <dc:description>Two figures in coloured ink, labelled figures 1-2, showing a variety of magnetic needles constructed by Roberts.

Subject: Marine engineering / Magnetism / Scientific apparatus and instruments</dc:description>
  <dc:date>1852</dc:date>
</rdf:Description>