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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MM/17/105" 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 John H Knowles to Herbert Rix, Assistant Secretary, Royal Society</dc:title>
  <dc:description>Knowles replies in response to finding out from Rix that the manuscript copy he has of Sir Isaac Newton's 'Principia Mathematica', is not in Newton's hand.

Knowles, a bookseller, suggests a price of £6 6s for the manuscript.</dc:description>
  <dc:date>9 October 1895</dc:date>
</rdf:Description>