<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/17/417" 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 B. W. S. Vallack to Sir John Herschel, dated at St. Budeaux, near Plymouth</dc:title>
  <dc:description>Autograph letter signed by sender. Responds to John Frederick William Herschel's criticisms of his binocular telescope plans.</dc:description>
  <dc:date>12 February 1866</dc:date>
</rdf:Description>