In The Hermit Saints, how is the Painting materials discussed?
The scientists at The Bosch Research and Conservation Project investigated all the technical aspects of this triptych. Bosch employed the usual pigments of the Renaissance period, such as azurite, lead-tin-yellow, vermilion and ochres omitting the expensive natural ultramarine.
pigments vermilion Renaissance ultramarine azurite lead-tin-yellow ochres triptych