<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HB/20/21" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Note from Ian F Mackay, Medical School, Hammersmith, to Henry Barcroft</dc:title>
  <dc:description>Tells him that the plethysmograph 'was an ''air'' type that Dr Grayson used'.</dc:description>
  <dc:date>14 July 1947</dc:date>
</rdf:Description>