<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/26/43" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter, from John Frederick William Herschel to Peter Mark Roget, Secretary, Royal Society, dated at Slough</dc:title>
  <dc:description>Reaffirming his opinion that two observatories are necessary in the southern hemisphere.

Also asking to be excused from any further association with the Optical Glass Committee or any other committee with similar functions.</dc:description>
  <dc:date>23 December 1830</dc:date>
</rdf:Description>