. Andean culture history. Incas; Indians of South America. 248 ANDEAN CULTURE HISTORY Spouts, handles and such details were made sepa- rately instead of being incorporated on the original model. Once shaped, the outer surface was finished by smoothing, scraping, and polishing. Many vessels. Fig. 52. Molds for ceramic manufacture. were then coated with a thin clay wash, called a slip, which served as a base for painted designs. Decoration might be added before or after firing. The ancient methods of firing are not definitely known, although the finished products demonstrate that controls were g
. Andean culture history. Incas; Indians of South America. 248 ANDEAN CULTURE HISTORY Spouts, handles and such details were made sepa- rately instead of being incorporated on the original model. Once shaped, the outer surface was finished by smoothing, scraping, and polishing. Many vessels. Fig. 52. Molds for ceramic manufacture. were then coated with a thin clay wash, called a slip, which served as a base for painted designs. Decoration might be added before or after firing. The ancient methods of firing are not definitely known, although the finished products demonstrate that controls were good and that high temperatures were achieved. Some vessels were fired in a reduc- ing atmosphere which restricted the circulation of oxygen and produced a black or dark colored clay. Others were fired in an oxidizing atmosphere in which the air was circulated by a forced draft, thus burning off the carbon and producing a light colored. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bennett, Wendell Clark, 1905-1953; Bird, Junius Bouton, 1907-1982. New York, American Museum of Natural History
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Keywords: ., bookcentury1900, booksubjectincas, booksubjectindiansofsouthamer
