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Heritage Science
Fig. 2 | Heritage Science

Fig. 2

From: Visualizing and measuring gold leaf in fourteenth- and fifteenth-century Italian gold ground paintings using scanning macro X-ray fluorescence spectroscopy: a new tool for advancing art historical research

Fig. 2

a Taddeo Gaddi, The Stigmatization of St Francis, c.1325-1330, tempera and gold leaf on panel transferred to modern panel, 237.5 × 174.9 cm (Harvard Art Museums, 1929.234) visible light image, detail; b Au Lα element map (instrumental settings: 50 kV, 600 µA, 450 µm spot size, 450 µm sampling, 15 ms/pixel dwell time); c Simone Martini, St Luke, 1330s, tempera and gold leaf on panel, 67.5 × 48.3 × 3.8 cm (J. Paul Getty Museum, 82.PB.72) visible light image; d Au Lα element map (instrumental settings: 50 kV, 600 µA, 530 µm spot size, 480 µm sampling, 18 ms/pixel dwell time). Note: Digital images courtesy of a Harvard Art Museums/Fogg Museum, Friends of the Fogg Art Museum Fund and c Getty Open Content Program

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