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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/1/234" 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 Charles Brooke, 29 Keppel Street to Edward Sabine</dc:title>
  <dc:description>Brooke believes the existence of [means?] will be useful in advancing knowledge of terrestrial magnetism, and would like Sabine’s assistance in distributing his paper on the subject. Brooke includes a list of names and enquires is Sabine could forward his paper to them without any personal inconvenience. Brooke would like Sabine to forward a note to Admiral Beaufort [not enclosed] regarding chronometers. 

Discussion on the method of adjusting the bifilar magnetometer at right angles to the magnetic meridian, the best relative position of the three magnets [declination, horizontal force and vertical force], the divisions for the scale of the collimator, and the angle of torsion for the bifilar magnetometer.</dc:description>
  <dc:date>11 September 1847</dc:date>
</rdf:Description>