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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/18/247" 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 Alexander Wight, Jr. to Sir John Herschel, dated at 6 Clarenden Terrace, Notting Hill</dc:title>
  <dc:description>Autograph letter signed by sender. Lens safely returned. Not aware of lenses in 1851 Exhibition or of C. F. Sturm's solid lenses. Notes advantages of plate glass. Offers to make three foot by three foot square lens. Recognizes limitations for use in astronomy; hopes for other applications.</dc:description>
  <dc:date>9 April 1856</dc:date>
</rdf:Description>