terra-cotta


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terra-cotta

(tĕr`ə kŏt`ə) [Ital.,=baked earth], form of hard-baked pottery, widely used in the decorative arts, especially as an architectural material, either in its natural red-brown color, or painted, or with a baked glaze.

The Ancient World

The prevalence of terra-cotta as a medium of artistic expression since the earliest periods of history is indicated by statuettes and vases from predynastic Egypt, polychrome tiles from Assyria and Persia, vases and figures from various Central American pre-Columbian sites, and Chinese vases dating probably from 3000 B.C. Terra-cotta first gained importance as an architectural material in classical Greece, where, beginning about the 7th cent. B.C., temples and other structures were often enriched with roof tiles, metopes, acroteria, and various other modeled and painted ornamental features of terra-cotta. Similar roof tiles and ornaments are found in Etruscan and Roman work.

Renaissance Terra-cotta

The golden age of terra-cotta was the Renaissance; it was widely used in N Italy and in N Germany, both of which have a scarcity of good building stone. The towns of Lombardy, Emilia, and Venetia are rich in brick buildings (e.g., the Certosa di Pavia, begun 1396) that are decorated with a profusion of molded terra-cotta detail, such as cornices, stringcourses, window frames, and other exterior ornament. Similarly, the 14th- and 15th-century brick Gothic buildings of N Germany, especially of the district around Brandenburg, had lavish displays of molded terra-cotta. The delicate tracery and other Gothic details of the Church of St. Catherine at Brandenburg (1400) testify to the high technical skill of the artisans of that period.

As the Renaissance progressed in Italy, terra-cotta was established not only as an architectural but also as a sculptural material, used with consummate skill by Della QuerciaQuercia, Jacopo della
, c.1374–1438, Italian sculptor. His work shows the transition from medieval to Renaissance art. He is especially noted for his imposing allegorical figures for the Gaia Fountain in Siena.
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. In its decorative application, it reached distinction in the 15th cent. when the Della RobbiaDella Robbia
, Florentine family of sculptors and ceramists famous for their enameled terra-cotta or faience. Many of the Della Robbia pieces are still in their original settings in Florence, Siena, and other Italian cities, but the finest collections are in Florence in the
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 family developed their characteristic and celebrated polychrome enameled terra-cotta reliefs. In addition to magnificent doorway tympana and decorative medallions, especially the series of Madonna compositions, they used terra-cotta for tombs, fountains, and altars. The material was also favored for bozzetti, or sculptors' sketches, as well as for large pieces.

From Italy terra-cotta work spread to other countries, largely through the activities of migrant Italian artisans. The Château Madrid, now destroyed, designed by Girolamo della Robbia and built for Francis I, was richly decorated with terra-cotta details. The art was introduced (c.1510) into Tudor England, probably by the Florentine sculptor Torrigiano. In the districts of SE England, where good stone is lacking, important country mansions (such as Layer Marney and Sutton Place) had ornamental detail of molded terra-cotta; on Hampton Court, Wolsey employed Italian workmen, who produced portrait medallions and other decorations of merit. In general the use of terra-cotta in England ceased after the death of Henry VIII, when the Italian artists returned home. Later, the 18th-century French sculptors Pigalle, Houdon, and Clodion produced figurines that are outstanding examples of terra-cotta sketches.

Modern Uses

In modern times terra-cotta was used in the Victorian Gothic revival, notably by Alfred WaterhouseWaterhouse, Alfred,
1830–1905, English architect. He won competitions for the Manchester assize court (1859) and the Manchester city hall (1868). This work placed him in the forefront of the Victorian Gothic revival.
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, and received widespread application in the United States as an exterior covering for the skeleton steel structure. It was used with consummate skill by Louis Sullivan for decorative stringcourses on many of his buildings. Modern sculptors who made notable terra-cotta works include Maillol, Despiau, Epstein, and Picasso. Terra-cotta has often been molded into the forms of the classical and other styles, with textures closely simulating various kinds of stone. However, it has been most successfully used not imitatively but on its own merits as a lightweight, nonbearing material, perfectly adapted to the task of sheathing a steel frame. Hollow blocks or tiles of rough terra-cotta are used extensively as a structural material for walls and partitions, for floor arches, and for fireproofing.

In modern practice terra-cotta is manufactured from carefully selected clays, which, combined with water and vitrifying ingredients, are put through a pug mill or other device to reduce the mass to homogeneity. In cakes of convenient size the clay passes to the molding room. Individual pieces are modeled by hand; in the case of repetitive pieces, the clay is pressed into plaster molds to form a shell. The molded pieces are finished by hand and then are ready for baking in a kiln or reverberatory furnace.

Bibliography

See I. C. Hill, Decorated Architectural Terracottas (1929); F. Nicholson, Greek, Etruscan and Roman Pottery (1965); A. von Wuthenau, Art of Terracotta Pottery in Pre-Columbian Central and South America (1969).

Terra-cotta

A hard-burnt glazed or unglazed clay unit, either plain or ornamental, machine extruded or hand-molded, usually larger in size than a brick or facing tile, used in building construction.

Terra-Cotta

 

colored, porous unglazed ceramic ware. Terra-cotta has both artistic and utilitarian significance; it is used to make dishes, vases, sculpture, toys, tiles, facing tiles, and architectural components.

After firing, terra-cotta acquires a characteristic color, from light cream to reddish brown and black, and a texture ranging from granular to fine, with complete or partial polishing. The most important examples of artistic terra-cotta are (1) the minor works of plastic art that were widespread in almost all Neolithic cultures, small sculptured figurines, sarcophagi, statues, and sculpture groups from the Etruscan civilization and from ancient Greece, China, India, and the Americas, (2) architectural components of the archaic Greek, Etruscan, and ancient Roman temples, (3) medieval carved terra-cotta in the architecture of Middle Asia, (4) Italian Renaissance ornamental architectural components and portrait busts done in relief, and (5) statuettes from the 18th century (usually in the rococo style).

In Russia, terra-cotta is known to have been produced in Kievan Rus’. Beginning in the 15th century, terra-cotta was used in Russian architecture in the decorative finishing of facades of brick buildings in Moscow, and beginning in the 18th century it was used in sculptural studies, busts, and other genres. Decorative terra-cotta facings were widely used in Soviet architecture during the 1950’s. In contemporary sculpture, terra-cotta is particularly frequently used for shaping small forms, since it allows the expressive laconism and lively spontaneity of the study to be preserved in the finished work.

REFERENCE

Filippov, A. V., S. V. Filippova, and F. G. Brik. Arkhitekturnaia terrakota. Moscow, 1941.

terra-cotta

[¦ter·ə¦käd·ə]
(materials)
A brownish-orange clay used in the production of high-quality earthenware, vases, and statuettes, and for tile floors and roofing.

terra-cotta

Clay that has been molded in shape and then treated in a kiln at a high temperature; typically reddish-brown in color when unglazed; when glazed, usually colored and used for ornamental work, such as architectural terra-cotta, and for floor tile and roof tile.
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