<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/9/300" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter, from Thomas Henderson to Sir John Herschel, dated at Edinburgh</dc:title>
  <dc:description>Autograph letter signed by sender. Gives the parallaxes of a few southern stars obtained from his own mural circle. Has sent his memoir on Alpha Centauri to the Royal Astronomical Society</dc:description>
  <dc:date>4 April 1842</dc:date>
</rdf:Description>