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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RB/1/10/6" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Fragment of original version of 'Usefulness'.</dc:title>
  <dc:description>(recto:) Text on undiscovered uses of experiments, related to but not identical with passages in section V of Essay X, including opening paragraph.  Endorsed, `belongs to Essay XII'.\r\n(verso:) Addendum about method of casting iron with copper, published in section V of Essay X; and unpublished passage about use of urine to produce perfume of musk, different from passage in previous essay. \r\nHand: rounded 1650s, F (bottom of verso)</dc:description>
  <dc:date>1660s</dc:date>
</rdf:Description>