<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/NLB/62/804" 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 Professor [John Newport] Langley, FRS</dc:title>
  <dc:description>Asks Professor [John Newport] Langley whether any of the gas cylinders left over from the Peru Expedition would be of use to his laboratory. </dc:description>
  <dc:date>10 May 1922</dc:date>
</rdf:Description>