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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/PT/26/12/1" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter, regarding postscript for paper on solar rays acting upon vegetable colours from J F W [John Frederick William] Herschel to unknown recipient</dc:title>
  <dc:description>Letter by Herschel requesting the addition of a postscript to his paper 'On the action of the rays of the solar spectrum on vegetable colours', found at PT/26/12. Postscript itself found at PT/26/13. 

Subject: Chemistry

Written by Herschel at Collingwood [Kent, England]. </dc:description>
  <dc:date>23 July 1842</dc:date>
</rdf:Description>