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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/24/78" 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 of draft letter, from Sir John Herschel to Friedrich Wilhelm Rudolph Engelmann, dated at Collingwood</dc:title>
  <dc:description>Copy of incomplete draft letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Thanks for the valuable series of measures of double stars. Regarding John Frederick William Herschel's method of calculating the orbit of a double star, which RE seems to have misunderstood.</dc:description>
  <dc:date>12 December 1864</dc:date>
</rdf:Description>