<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/H3/105" 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 Horsley to James Jurin, dated at Morpeth</dc:title>
  <dc:description>Observations of the eclipse of the sun with details about how he did this (camera obscura and pendulum clock); lists six questions about curvature and the laws of centripetal forces</dc:description>
  <dc:date>22 May 1724</dc:date>
</rdf:Description>