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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/17/66" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Draft letter, from Sir John Herschel to George Gabriel Stokes, dated at Collingwood</dc:title>
  <dc:description>Draft in John Herschel's hand. Comments on impossibility of increasing the intrinsic illumination of a source with a telescope; how to obtain the spectrum of red flames of the sun.</dc:description>
  <dc:date>5 May 1867</dc:date>
</rdf:Description>