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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/NLB/73/275" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Director, National Physical Laboratory</dc:title>
  <dc:description>Informs the Director of the National Physical Laboratory that space has been alloted to 3 exhibits for the 20 May [1931] Soiree. Theses are;
1-Lens Interferograms
2- An autographic apparatus for determining Inflection Points in Magnetic Susceptibility Temperature Curves.
3- Photographs showing the application of the method of the X-Ray crystals analysis to industrial problems.</dc:description>
  <dc:date>25 April 1931</dc:date>
</rdf:Description>