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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/NLB/7/238" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter from an unknown correspondent, to Messrs Harrison &amp; Sons</dc:title>
  <dc:description>'Please send to Dr. Jeaffreson, 24 Eldon Square, Newcastle-on-Tyne, an electrotype of the engraving illustrating his apparatus in the Colour Vision Report, together with the account for the same'.</dc:description>
  <dc:date>3 January 1893</dc:date>
</rdf:Description>