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Removal of overpaint

Much of the damage that can be found today on ancient paintings is due to the widespread use in the Eighteenth and Nineteenth Centuries of caustic alkalis (caustic soda, caustic potash) or other substances …

Overpainting and skinning

Much of the damage that can be found on the paintings today is the result of ancient cleaning operations. Between the Sixteenth and Eighteenth Centuries no distinction was made on the type …

Macrophotography

Macrophotography should not be considered an important investigation technique only when it is combined with other examinations: the possibility of isolating small areas of the work and …