<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/NLB/46/84" 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 Robert William Frederick Harrison, to Charles Thomson Rees Wilson, Fellow of the Royal Society</dc:title>
  <dc:description>Requests the negatives of the photographs illustrating his paper on the tracks of ionising particles. The Secretaries are desirous of getting the best reproduction possible, and no doubt it would be a facility to the engravers if they could use his negatives.</dc:description>
  <dc:date>7 June 1912</dc:date>
</rdf:Description>