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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/5/65" 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 Welsh, Kew Observatory to Edward Sabine</dc:title>
  <dc:description>Welsh has not heard further from Dr [William Balfour] Baikie, and has determined the constants of his instruments. Welsh informs Sabine he is prepared to instruct [Thomas] Barrow regarding the vertical force instrument and describes his proposals.</dc:description>
  <dc:date>19 February 1857</dc:date>
</rdf:Description>