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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/34/9/4" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished figure, 'Blue pellicle formed on the surface of a specimen of human urine' by Arthur Hill Hassall</dc:title>
  <dc:description>A figure in pencil and brown and blue ink showing 'fragments of indigo; ditto, of reddish-brown extractive-like substance; with crystals of phosphate of magnesia; vibriones; and innumerable animalcules', magnified to 220 diameters.

Subject: Biology / Microbiology</dc:description>
  <dc:date>3 December 1852</dc:date>
</rdf:Description>