<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/24/168" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Incomplete copy letter, from Sir John Herschel to Sir Charles Lyell</dc:title>
  <dc:description>Copy of a letter, incomplete. Comments on the relationship between the plane of the earth's orbit and the obliquity of the ecliptic.</dc:description>
  <dc:date>1 October 1866</dc:date>
</rdf:Description>