<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RHB/6/2/3/1" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Photographs for lectures or broadcasts, R H Brown</dc:title>
  <dc:description>Three photographs of pen-recorded inscriptions of radio signals received 1952 and n.d..

Used for slides. </dc:description>
  <dc:date>20th century</dc:date>
</rdf:Description>