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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MC/15/45" 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 Director of Artillery, Horse Guards, War Office, to the Secretary of the Royal Society</dc:title>
  <dc:description>Refers to 'tests of optical instruments' 'occassionally carried out at Kew Observatory, for the naval authorities under the direction of a Committee appointed by the Royal Society'. Enquires if the Society will be able to have two instruments tested 'to ascertain the relative qualities of two glassesm and their comparative suitability'.</dc:description>
  <dc:date>7 June 1889</dc:date>
</rdf:Description>