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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/5/72" 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 informs Sabine the forms have not been printed as well as the old ones. Welsh notes the nine inch dip circle will be used well for Captain [Francis Leopold] McClintock. Discussion regarding Fox’s dip circle used under Dr [Humphrey] Lloyd’s plan. Welsh updates regarding the condition of two vertical force needles, one recently returned from Breslau, and one shown at Paris in 1855 [referring to the Exposition Universelle or International Exhibition]. Discussion regarding inconvenience in the cross supports of the dip circle. Update regarding Mr Blakiston’s use of the unifilar.</dc:description>
  <dc:date>26 May 1857</dc:date>
</rdf:Description>