<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/2/123" 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 Sir John Herschel to Charles Babbage, dated at Slough</dc:title>
  <dc:description>Autograph letter signed by sender. Will not be in town until Tuesday afternoon. Has been speculating on a means of telegraphic communication between himself and Charles Babbage.</dc:description>
  <dc:date>13 October 1819</dc:date>
</rdf:Description>