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Heritage Science
Fig. 9 | Heritage Science

Fig. 9

From: Alexander Calder’s Half-Circle, Quarter-Circle, and Sphere (1932): a complex history of repainting unraveled

Fig. 9

X-ray elemental maps of selected major elements in cross section S12 (likely original and overpainting reds). X-ray elemental maps of selected major elements in a portion of cross section S12, i.e. multi-layered red paint removed from the sphere’s red circle, showing the distribution of aluminum (Al), phosphorus (P), silicon (Si), magnesium (Mg), zinc (Zn), calcium (Ca), barium (Ba), sulfur (S), lead (Pb), chromium (Cr), cadmium (Cd), and selenium (Se)

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