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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/I1/155" 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 Henry Jacob to Robert Hooke, dated at Lisbon</dc:title>
  <dc:description>Discussing observations of various eclipses in 1674 and in 1679; states that he will make observations of the variation of the compass at Lisbon but would like a new compass sent to him for this purpose; discussing sea navigation charts </dc:description>
  <dc:date>8 January 1682</dc:date>
</rdf:Description>