<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/23/334" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter, from Sir John Herschel to Augustus De Morgan, dated at Collingwood</dc:title>
  <dc:description>Copy of a letter. Raised from his lethargy by the appearance of the comet; comments on the nature of the sun; can Augustus De Morgan recommend a book on surveying for John Frederick William Herschel's son John.</dc:description>
  <dc:date>14 July 1861</dc:date>
</rdf:Description>