<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HF/1/3/2/6/58" 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 J W Trevan, Wellcome Physiological Laboratories, Beckenham</dc:title>
  <dc:description>Pleased that the sulphathiazole mixture can be made by grinding tablets - manufacturers want to  make tablets of 10 000 units desirable - calcium salt is for local use only - penicillin synthesis seems possible.</dc:description>
  <dc:date>17 November 1943</dc:date>
</rdf:Description>