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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/5/71" 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>Regarding the results of the magnetograph. Welsh informs Sabine they have ‘plenty of light’ and uses an example of the bifilar ‘without using the damper and in a state of vibration’. Reference to the survey committee.</dc:description>
  <dc:date>12 May 1857</dc:date>
</rdf:Description>