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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/RR/7/70" 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 Charles Piazzi Smyth, on his paper 'Certain supra-annual cycles of temperature in the earth's surface crust' to the Secretary of the Royal Society</dc:title>
  <dc:description>Letter in which he thanks the Secretary for his 'private explanations'.

Subject: Mathematics

[Published in Proceedings of the Royal Society, 1869].</dc:description>
  <dc:date>29 December 1870</dc:date>
</rdf:Description>