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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/15/420" 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 Adam Sedgwick, dated at Slough</dc:title>
  <dc:description>Autograph letter signed by sender, damaged: torn with piece missing. Asks Adam Sedgwick to send him plagiedral quartz for experimentation. Unable to commence Cornish expeditions with Charles Babbage. Requests Adam Sedgwick discuss publication of their [Jo</dc:description>
  <dc:date>9 October 1820</dc:date>
</rdf:Description>