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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/D2/73" 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 John Desaguliers to Cromwell Mortimer</dc:title>
  <dc:description>Lists experiments that he has carried out.
Experiments for 1732:
a) experiments with brass syringes
b) pyrometer to show how metals expand by heat

Experiments for 1735-1736:
a) steel bars moving on joints which raised weights with pulleys
b) electrical and magnetic experiments (not detailed)</dc:description>
  <dc:date>29 October 1733</dc:date>
</rdf:Description>