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Heritage Science
Fig. 2 | Heritage Science

Fig. 2

From: The identification, approaches to cleaning and removal of a lead-rich salt crust from the surface of an 18th century oil painting

Fig. 2

A The painting after varnish removal; B Detail photograph of the edge of the painting showing varnish accumulation, the unadulterated border and the visual effect that the crust had on the painting; C Detail photograph of the prominence of the crust in lighter colours; D Photomicrograph showing the crust pooled in the valley of the paint islands

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