http://www.kunsthaus.ch/en/the-collection/conservation/examples-from-the-world-of-art-conservation/cross-section-of-the-paint-layer/p1-location-of-removal-of-a-tiny-sample-of-paint-layer/?redirect_url=title%3dLe

Kunsthaus Zürich

Ferdinand Hodler

Cross-section of the paint layer

P2: Area of removal of a minute sample of the paint layer
P2: Area of removal of a minute sample of the paint layer