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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/18/417" 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 Frances Maria Wilson to Sir John Herschel, dated at North Audley St.</dc:title>
  <dc:description>Autograph letter signed by sender, with annotations by recipient. Pleased by account of John Frederick William Herschel's wife and new baby [Isabella]. Copies passage and diagram from letter of Welsh clergyman trying to construct sound amplifier for pulpit. Asks John Frederick William Herschel to offer solutions. Husband L. P. Wilson sends regards. Forwarded John Frederick William Herschel's letters to FW's sister [Maria Edgeworth] in Ireland.</dc:description>
  <dc:date>15 June 1831</dc:date>
</rdf:Description>