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The Altar Machine in the Church Mother of Gangi (Palermo, Italy). Interpretation of the past uses, scientific investigation and preservation challenge

Chemistry Central Journal, 2012, Vol.6 [Peer Reviewed Journal]

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  • Title:
    The Altar Machine in the Church Mother of Gangi (Palermo, Italy). Interpretation of the past uses, scientific investigation and preservation challenge
  • Author: Monaco, Angela ; Marabelli, Maurizio ; Pelosi, Claudia ; Salvo, Michele
  • Found In: Chemistry Central Journal, 2012, Vol.6 [Peer Reviewed Journal]
  • Subjects: Italy ; Archives & Records ; Architecture ; Inscriptions ; Microclimate ; Preservation ; Painting
  • Language: English
  • Description: Doc number: 47 Abstract Background: The aim of this work was to study the Altar Machine in the Church Mother of Gangi, a little town near Palermo (Italy) regarding the history, the technical manufacture, the constitutive materials and the state of preservation. The Altar Machine was dated back to the second half of the 18th century; it is constituted by carved and painted wood, a complex system of winch and pulleys allows move various statues and parts of the Machine in accordance with the baroque scenography machineries. Results: The observation and survey of the mechanisms allowed formulate hypothesis on a more ancient mode of operation of the Altar Machine. Laboratory analysis revealed the presence of many superimposed layers constituted by several different materials (protein binders, siccative oils, natural terpene resins, shellac, calcium carbonate, gypsum, lead white, brass, zinc white, iron oxides) and different wood species employed for the original and restoration elements of...
  • Identifier: E-ISSN: 1752153X ; DOI: 10.1186/1752-153X-6-47

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