﻿<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RBO/7/33" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy of a letter from John Wallis to Edmond Halley dated 17 January 1687 at Oxford</dc:title>
  <dc:description>Concerning the resistance of medium to bodies projected through it, and to the fall of bodies</dc:description>
  <dc:date>26 January 1687</dc:date>
</rdf:Description>