Fig. 2From: Aiding the cleaning of four 19th-century Tsimshian house posts: investigation of museum-applied surface coatings and original polychromyThe Northwest Coast Hall at AMNH, ca. 1910. Image #33003, American Museum of Natural History Library. The image shows many monumental carvings installed in the Hall when coal heating and open windows were a source for heavy soot deposits. Two of the Tsimshian house posts in this study (16/565 and 16/568) are mounted on the wall just beyond the third large windowBack to article page