<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/1/41" 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 George Biddell Airy, Royal Observatory Greenwhich to Edward Sabine</dc:title>
  <dc:description>Airy informs Sabine that they have improved the dipping needle as an instrument and the method of using it. Airy includes results obtained in March and April 1857, from the dipping needles under ‘more satisfactory circumstances’.</dc:description>
  <dc:date>16 April 1857</dc:date>
</rdf:Description>