<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/23/278" 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 Sir John Herschel to William Lassell, dated at Collingwood</dc:title>
  <dc:description>Copy of a letter. Comments on William Lassell's information on telescope construction, and adds some of John Frederick William Herschel's own experience.</dc:description>
  <dc:date>23 September 1859</dc:date>
</rdf:Description>