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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HF/1/3/2/30/6" 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 Dr Heilman</dc:title>
  <dc:description>Thanks for results on penicillin - is pleased that the stuff is working - sample is of low penicillin potency - Heatley can send some which might be of more use - says there are prospects of some American firms combining on penicillin production.</dc:description>
  <dc:date>4 November 1941</dc:date>
</rdf:Description>