<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/24/54" 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 Isaac Todhunter, dated at Collingwood</dc:title>
  <dc:description>Copy of a letter. Cannot find the source of supposed Wilhelm Struve probability calculation; believes he has made a mistake. Regrets the error was not noticed in time to correct the seventh edition of Outlines Astr.</dc:description>
  <dc:date>18 July 1864</dc:date>
</rdf:Description>