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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/15/277" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Draft letter, from Sir John Herschel to Edward Sabine, dated at Collingwood</dc:title>
  <dc:description>Draft in John Herschel's hand. Opposes sending expensive scientific equipment for J. B. N. Hennessey to use in India; suggests instead a variety of useful observations needing to be made, using inexpensive equipment. Discusses son's [Alexander] spectroscope observations of meteors.</dc:description>
  <dc:date>11 August 1866</dc:date>
</rdf:Description>