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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/4/259" 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 Balfour Stewart, Kew Observatory to Edward Sabine</dc:title>
  <dc:description>Stewart returns Mr Bryson’s letter. Stewart informs Sabine he is unable to provide an estimate cost of ‘such instruments’. Remarks on the value of a declinometer, bifilar and balance magnetometer. Discusses the declination magnet. Refers to the Kew bifilar curves.</dc:description>
  <dc:date>23 March 1860</dc:date>
</rdf:Description>