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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/18/245" 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. New method for constructing circular lenses up to 10-feet diameter for £50. Focusing power sufficient to melt metals. Wants to send 3-inch sample to John Frederick William Herschel.</dc:description>
  <dc:date>28 March 1856</dc:date>
</rdf:Description>