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<rdf:Description rdf:about="http://www.nhm.ac.uk/CalmView/record/catalog/WP/1/8/2" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>John Aitken to Alfred Russel Wallace, from Ardenlea, Falkirk, Scotland</dc:title>
  <dc:description>Letter re light, atmospheric particles and the causes of the blue colour of sea water and sky; 2 ff., back of f. 2 annotated in Alfred Russel Wallace's hand 'See Tyndall in Nature vol. 1. ... colours of water and air'.</dc:description>
  <dc:date>7 Apr 1899</dc:date>
</rdf:Description>