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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/16/491" 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 Herbert Spencer to Sir John Herschel, dated at 29 Bloomsbury Square</dc:title>
  <dc:description>Autograph letter signed by sender. Recalls John Frederick William Herschel having written that an 'annulus of stars might be in equilibrium.' Asks where this claim appears in John Frederick William Herschel's writings.</dc:description>
  <dc:date>17 March 1862</dc:date>
</rdf:Description>