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Lead-glazed
Lead-glazed earthenware is one of the traditional types of earthenware with a ceramic glaze, which coats the ceramic biscuit body and renders it impervious to liquids, as terracotta itself is not. Plain lead glaze is shiny and transparent after firing. Coloured lead glazes are shiny and either translucent or opaque after firing. Three other traditional techniques are tin-glazed (in fact this is lead glaze with a small amount of tin added), which coats the ware with an opaque white glaze suited for overglaze brush-painted colored enamel designs; salt glaze pottery, also often stoneware; and the feldspathic glazes of Asian porcelain. Modern materials technology has invented new vitreous glazes that do not fall into these traditional categories. In lead glazes, tints provided by impurities render greenish to brownish casts, with aesthetic possibilities that are not easily controlled in the kiln. The Romans used lead glazes for high-quality oil lamps and drinking cups. At the same t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tin-glazed Earthenware
Tin-glazed pottery is earthenware covered in lead glaze with added tin oxide which is white, shiny and opaque (see tin-glazing for the chemistry); usually this provides a background for brightly painted decoration. It has been important in Islamic and European pottery, but very little used in East Asia. The pottery body is usually made of red or buff-colored earthenware and the white glaze imitated Chinese porcelain. The decoration on tin-glazed pottery is usually applied to the unfired glaze surface by brush with metallic oxides, commonly cobalt oxide, copper oxide, iron oxide, manganese dioxide and antimony oxide. The makers of Italian tin-glazed pottery from the late Renaissance blended oxides to produce detailed and realistic polychrome paintings. The earliest tin-glazed pottery appears to have been made in Iraq in the 9th century, the oldest fragments having been excavated during the First World War from the palace of Samarra about fifty miles north of Baghdad.Caiger-Smi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saint-Porchaire Ware
Saint-Porchaire ware is the earliest very high quality French pottery. It is white lead-glazed earthenware often conflated with true faience, that was made for a restricted French clientele from perhaps the 1520s to the 1550s. Only about seventy pieces of this ware survive, all of them well known before World War II. None have turned up in the last half-century. It is characterized by the use of inlays of clay in a different coloured clay, and, as Victorian revivalists found, is extremely difficult to make. The main body is white, though covered by a thin cream glaze. There is intensive use of patterns inlaid in brown, reddish-brown or yellow-ochre slips. The overall form of most pieces was made in several parts, with many smaller sculpted forms shaped separately and added on. These and other elements may be given a thin wash in blue, green, brown or yellow before glazing. When collectors first noticed this ware in the nineteenth century, the tradition of where it had been made h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maiolica
Maiolica is tin-glazed pottery decorated in colours on a white background. Italian maiolica dating from the Renaissance period is the most renowned. When depicting historical and mythical scenes, these works were known as ''istoriato'' wares ("painted with stories"). By the late 15th century, multiple locations,L. Arnoux, 1877, British Manufacturing Industries – Pottery "Most of the Italian towns had their manufactory, each of them possessing a style of its own. Beginning at Caffagiolo and Deruta, they extended rapidly to Gubbio, Ferrara, and Ravenna, to be continued to Casteldurante, Rimini, Urbino, Florence, Venice, and many other places." mainly in northern and central Italy, were producing sophisticated pieces for a luxury market in Italy and beyond. In France maiolica developed as faience, in the Netherlands and England as delftware, and in Spain as talavera. In English the spelling was anglicised to ''majolica'' but the pronunciation usually preserved the vowel with an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sancai
''Sancai'' ()Vainker, 75 is a versatile type of decoration on Chinese pottery using glazes or slip, predominantly in the three colours of brown (or amber), green, and a creamy off-white. It is particularly associated with the Tang Dynasty (618–907) and its tomb figures, appearing around 700. Therefore, it is commonly referred to as Tang Sancai in Chinese. Tang sancai wares were sometimes referred in China and the West as ''egg-and-spinach'' by dealers, for their use of green, yellow, and white, especially when combined with a streaked effect. The Tang Dynasty three-color glazed pottery is the treasure of ancient Chinese ceramic firing techniques. It is a kind of low-temperature glazed pottery popular in the Tang Dynasty. The glaze has yellow, green, white, brown, blue, black and other colours. The yellow, green, and white colour-based are most predominant, so people call it "Tang Sancai." Because the Tang Sancai is unearthed in Luoyang earliest and is found the most in Luoya ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stamford Ware
Stamford ware is a type of lead-glazed earthenware, one of the earliest forms of glazed ceramics manufactured in England. It was produced in Stamford, Lincolnshire between the ninth and thirteenth centuries. It was widely traded across Britain and the near continent. The most popular forms were jugs, spouted pitchers, and small bowls. Distribution of Stamford ware has been used to map trade routes of the period. Early Stamford glazes are essentially lead glazes, and it has been suggested they were unique among early English glazes as they contain traces of silver but not tin. The glaze was applied with a brush and can be pale yellow, orange, pale green and smoke blue. This depended on many factors including glaze composition, iron content and whether fired in reduced or oxidised conditions. Examples can be seen at Stamford Museum and elsewhere. Greenish Anglo-Saxon pottery discovered in the town in 1950 suggests lead glaze was in use in early times. A medieval kiln was found dur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Green-glazed Pottery
Green-glazed pottery () was a type of colored pottery developed in China during the Eastern Han period (25–220 CE). The body of green-glazed pottery ceramics was made of clay, coated with a layer of glaze, and fired at a temperature of 800 degrees Celsius. Green-glazed pottery is a type of lead-glazed earthenware (): lead oxide was the principal flux in the glaze, often mixed with quartz in the proportion of 3:1. The polychrome effect was obtained by using as coloring agent copper (which turns green).Shanghai Museum permanent exhibit. Due to the low firing temperature, the bodies are earthenware, and the glaze often only applied to parts of the objects, which are fragile and have high water absorption. In some cases the lead glazes make the objects slightly poisonous. For these reasons, the objects are only known as grave goods from burials, and examples used in everyday life have not been found. In surviving examples the glaze has often corroded, and turned a "greyish-silver ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Earthenware
Earthenware is glazed or unglazed nonvitreous pottery that has normally been fired below . Basic earthenware, often called terracotta, absorbs liquids such as water. However, earthenware can be made impervious to liquids by coating it with a ceramic glaze, which the great majority of modern domestic earthenware has. The main other important types of pottery are porcelain, bone china, and stoneware, all fired at high enough temperatures to vitrify. Earthenware comprises "most building bricks, nearly all European pottery up to the seventeenth century, most of the wares of Egypt, Persia and the near East; Greek, Roman and Mediterranean, and some of the Chinese; and the fine earthenware which forms the greater part of our tableware today" ("today" being 1962).Dora Billington, ''The Technique of Pottery'', London: B.T.Batsford, 1962 Pit fired earthenware dates back to as early as 29,000–25,000 BC, and for millennia, only earthenware pottery was made, with stoneware graduall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ceramic Glaze
Ceramic glaze is an impervious layer or coating of a vitreous substance which has been fused to a pottery body through firing. Glaze can serve to color, decorate or waterproof an item. Glazing renders earthenware vessels suitable for holding liquids, sealing the inherent porosity of unglazed biscuit earthenware. It also gives a tougher surface. Glaze is also used on stoneware and porcelain. In addition to their functionality, glazes can form a variety of surface finishes, including degrees of glossy or matte finish and color. Glazes may also enhance the underlying design or texture either unmodified or inscribed, carved or painted. Most pottery produced in recent centuries has been glazed, other than pieces in unglazed biscuit porcelain, terracotta, or some other types. Tiles are almost always glazed on the surface face, and modern architectural terracotta is very often glazed. Glazed brick is also common. Domestic sanitary ware is invariably glazed, as are many ceramics u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Faience
Faience or faïence (; ) is the general English language term for fine tin-glazed pottery. The invention of a white pottery glaze suitable for painted decoration, by the addition of an oxide of tin to the slip of a lead glaze, was a major advance in the history of pottery. The invention seems to have been made in Iran or the Middle East before the ninth century. A kiln capable of producing temperatures exceeding was required to achieve this result, the result of millennia of refined pottery-making traditions. The term is now used for a wide variety of pottery from several parts of the world, including many types of European painted wares, often produced as cheaper versions of porcelain styles. English generally uses various other terms for well-known sub-types of faience. Italian tin-glazed earthenware, at least the early forms, is called maiolica in English, Dutch wares are called Delftware, and their English equivalents English delftware, leaving "faience" as the normal te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Christopher Haun
Christopher Alexander "Alex" Haun (September 14, 1821 – December 11, 1861) was a potter from Greene County, Tennessee, regarded as one of the most notable and skilled of the antebellum period. During the American Civil War, he was executed by the Confederate States of America for participation in the East Tennessee bridge-burning conspiracy. Haun was one of many examples in 19th century Tennessee of what were later referred to as family potters, rural potters who ran businesses, often part-time as a supplement to farming and with the aid of their families, supplying practical vessels for local use. Stephen T. Rogers of the Tennessee Historical Commission writes that Haun "produced some of the most beautiful and finely crafted lead-glazed earthenware in Tennessee". Haun and a number of potters lived in a part of Greene County referred to as Pottertown, using local clay found near Lick Creek. Pottertown was a staunchly Unionist enclave in a Confederate State. Union support ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iron
Iron () is a chemical element with symbol Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in front of oxygen (32.1% and 30.1%, respectively), forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust. In its metallic state, iron is rare in the Earth's crust, limited mainly to deposition by meteorites. Iron ores, by contrast, are among the most abundant in the Earth's crust, although extracting usable metal from them requires kilns or furnaces capable of reaching or higher, about higher than that required to smelt copper. Humans started to master that process in Eurasia during the 2nd millennium BCE and the use of iron tools and weapons began to displace copper alloys, in some regions, only around 1200 BCE. That event is considered the transition from the Bronze Age to the Iron A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Manganese
Manganese is a chemical element with the symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels. It improves strength, workability, and resistance to wear. Manganese oxide is used as an oxidising agent; as a rubber additive; and in glass making, fertilisers, and ceramics. Manganese sulfate can be used as a fungicide. Manganese is also an essential human dietary element, important in macronutrient metabolism, bone formation, and free radical defense systems. It is a critical component in dozens of proteins and enzymes. It is found mostly in the bones, but also the liver, kidneys, and brain. In the human brain, the manganese is bound to manganese metalloproteins, most notably glutamine synthetase in astrocytes. Manganese was first isolated in 1774. It is familiar in the laboratory in the form of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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