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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/13/160" 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 P. O'Callaghan to Sir John Herschel, dated at Leeds Philosophical &amp; Literary Society</dc:title>
  <dc:description>Autograph letter signed by sender. Sends a portion of John Frederick William Herschel's lecture for the Leeds Astronomical Society, which has just been received from the printer. P. O'Callaghan's wife's health is improving and John Frederick William Herschel's grandchildren are flourishing.</dc:description>
  <dc:date>20 October 1863</dc:date>
</rdf:Description>