<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/G1/53" 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 Stephen Gray to Hans Sloane dated at Canterbury</dc:title>
  <dc:description>Details of an unusual parhelion (mock sun) and halo
Read to the Royal Society on 17 May 1699
Printed in 'Philosophical Transactions', vol 22, no 262, p 535</dc:description>
  <dc:date>4 May 1699</dc:date>
</rdf:Description>