<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/CW/B/23" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Photographic recording of potential gradient, discharge, numerous observations</dc:title>
  <dc:description>Successful achievement of photographic recording of potential gradient, sudden changes therein due to lightning, and air-earth current, using a capillary electrometer. Numerous observations. Observations of discharge-current from kite-balloons and tests on a mercury voltammeter, for this study.</dc:description>
  <dc:date>1915-1919</dc:date>
</rdf:Description>