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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RSL/2/37" 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 William Robinson, Saffron Walden, to the Royal Society</dc:title>
  <dc:description>Asking if such an instrument exists for "striking Helixes or Spiral in Either Circular or Elliptical Forms".  Robinson, a builder by trade, thinks such an instrument would be of use to joiners in building staircases.</dc:description>
  <dc:date>30 July 1785</dc:date>
</rdf:Description>