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Heritage Science
Fig. 5 | Heritage Science

Fig. 5

From: Charcoal or black stone? Reconstructions as a tool to study the behaviour of dry underdrawing materials within the paint structure of sixteenth century panel paintings

Fig. 5

©HPM & SV, HERCULES Lab—U. Évora, Portugal

Infrared detail of the underdrawing from a painting of the Machede (a) altarpiece with the location (green arrow) of the sample viewed in cross-section in the optical microscope under incident light (OM-Vis) (b) and ultraviolet radiation (OM-UV) (c); SEM backscatter image of a detail of the same sample with the location (green arrow) of an underdrawing particle (d) and SEM–EDX spectrum (e) of particle shown in (d). All images

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