<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MM/14/178" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter from John Perry, 13 Brunswick Square, to Sir Alfred Ewing </dc:title>
  <dc:description>With some comments on hysteresis and on Ewing joining the Physical Society.</dc:description>
  <dc:date>13 December 1890</dc:date>
</rdf:Description>