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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/1/194" 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 John Theophilus Boileau, Simla to Edward Sabine, London</dc:title>
  <dc:description>Boileau updates Sabine on the proceedings in the hills. Discussion on the method of observing the declination and the ‘horizontal force instruments and the increased frequency of the dip observations’. Difficulties Boileau faced in building the [Simla] Observatory. Refers to different instruments observed. Boileau bought a rain gauge. Discussion regarding the vertical force instrument. Boileau describes his observations. Refers to the change in temperature ‘during the interval of observation’.</dc:description>
  <dc:date>16 April 1841</dc:date>
</rdf:Description>