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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/24/21/7" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished diagrams, A and B mixtures by J F [John Frederick] Goddard</dc:title>
  <dc:description>Two diagrams showing the apparatus required for the production of A and B mixtures to be used in the production of Daguerreotypes.

Subject: Photography / Photomechanical processes / Chemistry</dc:description>
  <dc:date>1864</dc:date>
</rdf:Description>