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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/23/38" 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 George Kingsley, York, to Mr Machin</dc:title>
  <dc:description> ' Containing anaccount of an improvement of Optic Glasses, and inclosing a Paper of eight Propositions with their Demonstrations, being a Specimen of his method of Investigation of the said Improvements. '

Read at the Royal Society on 13 January 1736/1737</dc:description>
  <dc:date>3 May 1736</dc:date>
</rdf:Description>