<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/11/70" 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 Karl Kreil to Sir John Herschel, dated at Prague</dc:title>
  <dc:description>Autograph letter signed by sender. Sending magnetic observations. Would like a description of A. F. Osler's Anemometer. Regarding the periodical return of the magnetic disturbances on 18 Oct.</dc:description>
  <dc:date>22 October 1839</dc:date>
</rdf:Description>