<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/18/337" 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 Young to Sir John Herschel</dc:title>
  <dc:description>Autograph letter signed by sender. Suggests change in John Frederick William Herschel's table of refractions. Possible error in John Pond's reductions [illustration].</dc:description>
  <dc:date>11 December 1825</dc:date>
</rdf:Description>