<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/11/202" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Draft copy of letter, from Sir John Herschel to Urbain J. J. Leverrier, dated at Collingwood</dc:title>
  <dc:description>Draft copy of a letter. Has just been able to consult Sir William Herschel's papers. Regarding Yvon Villarceau's method of measuring the orbits. May be like his own, which he briefly outlines.</dc:description>
  <dc:date>19 March 1849</dc:date>
</rdf:Description>