<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HF/1/14/2/6/64" 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 Howard Walter Florey to W E van Heyningen</dc:title>
  <dc:description>Says F W Rogers Brambell is using ferritin in electron microscopy - Brambell's specimens were toxic - told him van Heyningen had produced some magnificent material, which was free from toxic properties - asks if van Heyningen would write to Brambell about this.</dc:description>
  <dc:date>20 July 1964</dc:date>
</rdf:Description>