Figure 6 | Scientific Reports

Figure 6

From: Browsing through sealed historical manuscripts by using 3-D computed tomography with low-brilliance X-ray sources

Figure 6

Photographs of the original pages are shown in the top row–(a) malachite ink, (b–d) iron gall ink 1–3. (e) Tyrian purple ink. The center row shows the reconstructed and 2-D mapped pages of the closed book for the 50 kV scan, the bottom row the 30 kV scan output. Tyrian purple ink has a small attenuation and the writings can be seen only slightly compared to iron gall and malachite ink.

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