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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MA/349/14" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Tidal observations made at Onrust Island [Pulau Kapal, or Kapal Island], by J Liesbroek</dc:title>
  <dc:description>Daily observations of the tides, arranged on monthly tables, at the Dutch fort on Kapal Island, Indonesia. Columns for: date; heights of high water and low water  in Dutch yards and English feet and inches [the latter not completed]; tidal range; wind direction and force; turn of stream [not completed]; and general remarks. With fields beneath the main table, for noting the type of timepiece used, and the type of barometer. A printed key is give for wind force abbreviations 0-12. 

Each sheet is headed in English and Dutch: 'Register of Tides, observed at op het Eiland Onrust...in the month of...' with the month and year added. Signed by the observer, top right: 'J Liesbroek'.  </dc:description>
  <dc:date>1 January-31 December 1839</dc:date>
</rdf:Description>