A vast collection of samples from artworks. A unique resource for future research in the field of
conservation: investigating samples, implementing more advanced techniques

Daniela Comelli

Ezio Puppin

Serena Benelli

English

Archivio istituzionale della ricerca - Politecnico di Milano

Photonics 4Cultural Heritage Photonics empowering Cultural HeritageDecember 1, 2023 , Milan, Castello SforzescoThe Gallone Archive is part of the Politecnico di Milano archives, and it consists of almost 12K samples, of which 6K are polished cross-sections. The raw samples are both micro-fragments and powders. The main case study is the Last Supper by Leonardo da Vinci (around 500 samples).These materials were collected by Antonietta Gallone (1928-2015), physics researcher at the Politecnico, during several decades of activity. Her job consisted in compositional analyses and morphological observations to improve the knowledge on materials, A vast collection of samples from artworks.Serena Benelli* (Department of Architecture, Built Environment and Construction Engineering, Politecnico di Milano)Daniela Comelli, Ezio Puppin (Department of Physics, Politecnico di Milano)*serena.benelli@polimi.it - PhD candidate (supervisor Stefano Della Torre, Cristiana Achille, Ezio Puppin)Samples from artworks: new possibilities in Heritage ScienceGallone Samples Archive: a resource for Cultural Heritage studiesObjectives and MethodsThe major goals we are pursuing are:• valorising the archive and defining a methodology for theclassification and cataloguingof CH samples with a special emphasis on the Last Supper samples collection;• developing a methodological approach covering the whole cycle, from the sampling procedures to the long-term management of the collection;• designing an Information Systemfor samples referencing togetherwith 3D Survey Lab, DABC-Politecnico di Milano (see poster).• re-examining samples with modern techniques not existing or not applied in AG years.Ongoing analytical campaigns in collaboration with:• ARTIS laboratory (DFIS, polimi)• SOLINANO interdepartmentallaboratory (polimi).• ISPC-CNR• ESRF Grenoble (BAG)Some examples of application:• OM vis-UV• µ-TG-HS imaging• µ-Raman Spectroscopy• µ-FTIR• LV SEM-EDS analysis• µ-XRDtechniques, and on the state of conservation of CH objects. Antonietta Gallone contributed to define the pioneer profile of conservation scientists. Her inquiries are described in over 600 reports which have been digitized and are availableto scholars on www.archiviogallone.fisi.polimi.it.The Archive is relevant for its documentary and historical value (it is declared of "considerable cultural interest" by the Ministry of Culture), but also because it is a unique resource for research in conservation. The possibility to investigate the same samples, implementing more advanced techniques, could open to important opportunities.left and right: images acquired with HIROX 3D digital microscope by SimitecnoA unique resource for future research in the field ofconservation: investigating samples, implementingmore advanced techniques.

Gallone Samples Archive: a resource for Cultural Heritage studies

https://re.public.polimi.it/bitstream/11311/1257503/1/documents_115.pdf

Gallone Samples Archive: a resource for Cultural Heritage studies

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Archivio istituzionale della ricerca - Politecnico di Milano