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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/7/79" 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 William Empson to Sir John Herschel</dc:title>
  <dc:description>Detached postscript of a letter, autographed. If he looks at A. K. Johnston's Physical Atlas he will find the measurements he requires, also references to [John?] MacDonald's Andrometer.</dc:description>
  <dc:date>undated</dc:date>
</rdf:Description>