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(a) Apocalypse rose of the Sainte-Chapelle in Paris. (b) Panel T9 containing the striped glass. The inset shows the historical dating of the glass pieces of panel T9 (white, original glass from the 15th century; orange, restoration glass from the 19th century). (c) Detail of the striped glass, where the area analyzed by PIXE and PIGE is highlighted by a yellow frame.
