<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/L4/85" 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 Antoni van Leeuwenhoek to the Royal Society, dated at Delft</dc:title>
  <dc:description>Concerning the structure of the diaphram
Read to the Royal Society on 20 June 1723
No original figures now exist
Printed in 'Philosophical Transactions', vol 32, no 379, p 400</dc:description>
  <dc:date>31 May 1723</dc:date>
</rdf:Description>