<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/20/17" 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 Charles Babbage</dc:title>
  <dc:description>Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Comments on the equation sent by Charles Babbage. Has been experimenting with potassium.</dc:description>
  <dc:date>4 August 1814</dc:date>
</rdf:Description>