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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RBO/5/23" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>'Of the Weight of several Metalls' by Robert Hooke</dc:title>
  <dc:description>Present at the experiment on Tuesday 16 March 1680 were Robert Reading, Mr Hill, Robert Hooke, Edmund Halley, Mr Perkins
Metals under investigation were regulus of Antimony in air and water - weight of common iron - weight of wiredrawing-plate - weight of gold-coloured mixture - weight of antimony and iron was not successful</dc:description>
  <dc:date>18 March 1680</dc:date>
</rdf:Description>