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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/23/37" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished letters, regarding a shell which will explode at the bottom of the sea from John Norton to the Royal Society</dc:title>
  <dc:description>Two letters from Captain John Norton, dated 2 and 11 September 1840 respectively, in which he describes his plans for a shell which could be exploded at the bottom of the sea in order to ascertain the depth of the water.

Subject: Oceanography</dc:description>
  <dc:date>September 1840</dc:date>
</rdf:Description>