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2. [2] Alpers, Svetlana (1983)a Interpretation without representation, or, the viewing of Las Meninas (1983) in Representations 1: 30-42.
3. [3] Armstrong, Isobel (1996) Transparency: towards a poetics of glass in the nineteenth-century. In: Spufford, Francis and Jenny Uglow (eds.) Cultural Babbage. Technology, Time and Invention. London and Boston: Faber and Faber, 123-148.
4. [4] Armstrong, Isobel (2002) The microscope: mediations of the sub-visible world. In: Luckhurst, Roger and Josephine McDonagh (eds.) Transactions and Encounters. Science and Culture in the Nineteenth Century. Manchester and New York: Manchester University Press, 30-54.
5. [5] Armstrong, Isobel (2008) Victorian Glassworlds. Glass Culture and the Imagination, 1830-1880. Oxford and New York: Oxford University Press.