<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/20/137" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy of draft letter, from Sir John Herschel to D. François J. Arago</dc:title>
  <dc:description>Copy of draft letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Would like his help on observations of double stars. Comparison of data. Gives details of stars and distances of certain planets from the earth.</dc:description>
  <dc:date>18 March 1822</dc:date>
</rdf:Description>