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Haji Ware
is a type of plain, unglazed, reddish-brown Japanese pottery or earthenware that was produced during the Kofun, Nara, and Heian periods of Japanese history. It was used for both ritual and utilitarian purposes, and many examples have been found in Japanese tombs, where they form part of the basis of dating archaeological sites. History Haji ware evolved in the 4th century AD (during the Tumulus period) from the Yayoi pottery of the preceding period. The ornate decorations of Yayoi pottery were replaced by a plain, undecorated style, and the shapes began to become standardized. Great amounts of this pottery were produced by dedicated craft workshops in what later became the provinces of Yamato and Kawachi, and spread from there throughout western Japan, eventually reaching the eastern provinces. Some Haji ware pottery has been found in the enormous tombs of the Japanese emperors. By the end of the 5th century, Haji pottery was imitating Sue ware forms. Also during this time, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
131123 Hyogo Prefectural Museum Of Archaeology Japan23s5
Year 1311 ( MCCCXI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events January–December * January 6 – Henry VII is crowned King of Italy in Milan, and on February 12 crushes a local rebellion. * March 15 – Battle of Halmyros: The Catalan Company defeats Walter V, Count of Brienne and his forces, to take control of the Duchy of Athens. * April 7 – Battle of Wopławki: The Teutonic Knights defeat the Grand Duchy of Lithuania. * August 16 – The Parliament of England presents the Ordinances of 1311 to King Edward II (document dated 5 October; published on 11 October); these substitute the 21 Lord Ordainers for the King as the effective government of the country. * October 16 – The Council of Vienne begins. Date unknown * Bolingbroke Castle passes to the House of Lancaster. * Lincoln Cathedral in England is completed; with the spire reaching around 525 feet (160 m), it becomes the wor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haniwa
The are terracotta clay figures that were made for ritual use and buried with the dead as funerary objects during the Kofun period (3rd to 6th centuries AD) of the history of Japan. ''Haniwa'' were created according to the ''wazumi'' technique, in which mounds of coiled clay were built up to shape the figure, layer by layer. ''Haniwa'' can also refer to offering cylinders, not the clay sculptures on top of them as well as the "wooden haniwa" found in Kofun tumuli. Terracotta ''Haniwa'' were made with water-based clay and dried into a coarse and absorbent material that stood the test of time. Their name means "circle of clay", referring to how they were arranged in a circle above the tomb. The protruding parts of the figures were made separately and then attached, while a few things were carved into them. They were smoothed out by a wooden paddle. Terraces were arranged to place them with a cylindrical base into the ground, where the earth would hold them in place. During the Ko ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kilns
A kiln is a thermally insulated chamber, a type of oven, that produces temperatures sufficient to complete some process, such as hardening, drying, or chemical changes. Kilns have been used for millennia to turn objects made from clay into pottery, tiles and bricks. Various industries use rotary kilns for pyroprocessing—to calcinate ores, to calcinate limestone to lime for cement, and to transform many other materials. Pronunciation and etymology According to the Oxford English Dictionary, kiln was derived from the words cyline, cylene, cyln(e) in Old English, in turn derived from Latin ''culina'' ("kitchen"). In Middle English the word is attested as kulne, kyllne, kilne, kiln, kylle, kyll, kil, kill, keele, kiele. For over 600 years, the final "n" in kiln was silent. It wasn't until the late 20th century where the "n" began to be pronounced. This is due to a phenomenon known as spelling pronunciation, where the pronunciation of a word is surmised from its spelling an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oxidizing
Redox (reduction–oxidation, , ) is a type of chemical reaction in which the oxidation states of substrate change. Oxidation is the loss of electrons or an increase in the oxidation state, while reduction is the gain of electrons or a decrease in the oxidation state. There are two classes of redox reactions: * ''Electron-transfer'' – Only one (usually) electron flows from the reducing agent to the oxidant. This type of redox reaction is often discussed in terms of redox couples and electrode potentials. * ''Atom transfer'' – An atom transfers from one substrate to another. For example, in the rusting of iron, the oxidation state of iron atoms increases as the iron converts to an oxide, and simultaneously the oxidation state of oxygen decreases as it accepts electrons released by the iron. Although oxidation reactions are commonly associated with the formation of oxides, other chemical species can serve the same function. In hydrogenation, C=C (and other) bonds ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Potters Wheel
In pottery, a potter's wheel is a machine used in the shaping (known as throwing) of clay into round ceramic ware. The wheel may also be used during the process of trimming excess clay from leather-hard dried ware that is stiff but malleable, and for applying incised decoration or rings of colour. Use of the potter's wheel became widespread throughout the Old World but was unknown in the Pre-Columbian New World, where pottery was handmade by methods that included coiling and beating. A potter's wheel may occasionally be referred to as a "potter's lathe". However, that term is better used for another kind of machine that is used for a different shaping process, turning, similar to that used for shaping of metal and wooden articles. The pottery wheel is an important component to create arts and craft products. The techniques of jiggering and jolleying can be seen as extensions of the potter's wheel: in jiggering, a shaped tool is slowly brought down onto the plastic clay body th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clay
Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4). Clays develop plasticity when wet, due to a molecular film of water surrounding the clay particles, but become hard, brittle and non–plastic upon drying or firing. Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide. Clay is the oldest known ceramic material. Prehistoric humans discovered the useful properties of clay and used it for making pottery. Some of the earliest pottery shards have been dated to around 14,000 BC, and clay tablets were the first known writing medium. Clay is used in many modern industrial processes, such as paper making, cement production, and chemical filtering. Between one-half and two-thirds of the world's population live or work in buildings made with clay, often ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chinese Ceramics
Chinese ceramics show a continuous development since pre-dynastic times and are one of the most significant forms of Chinese art and ceramics globally. The first pottery was made during the Palaeolithic era. Chinese ceramics range from construction materials such as bricks and tiles, to hand-built pottery vessels fired in bonfires or kilns, to the sophisticated Chinese porcelain wares made for the imperial court and for export. Porcelain was a Chinese invention and is so identified with China that it is still called "china" in everyday English usage. Most later Chinese ceramics, even of the finest quality, were made on an industrial scale, thus few names of individual potters were recorded. Many of the most important kiln workshops were owned by or reserved for the emperor, and large quantities of Chinese export porcelain were exported as diplomatic gifts or for trade from an early date, initially to East Asia and the Islamic world, and then from around the 16th century to Euro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ojika, Nagasaki
is a town located in Kitamatsuura District, Nagasaki Prefecture, Japan. It covers the island of the same name Ojika, located north of Gotō Islands. As of the 2020 census, the town has an estimated population of 2,288 and a density of 90 persons per km². The total area is 25.46 km². The islands of Ojika are part of Saikai National Park. History The town of Ojika is made up of 17 large and small islands, six of which are populated: Ojika, Madara, Kuroshima, Noshima, Mushima, and Ōshima. Over 20 volcanoes can be found in the sea surrounding the island. The area has been called the "Eastern Galapagos Island." The main island is approximately 34 km in circumference, with all islands totaling 97 km in circumference. The islands are found within the boundaries of Saikai National Park, preserving the region's natural heritage. Stone tools dated from 10,000 B.C. have been discovered on the islands, along with other relics. The first mention of Ojika was in Nihon Sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Underwater Archaeology
Underwater archaeology is archaeology practiced underwater. As with all other branches of archaeology, it evolved from its roots in pre-history and in the classical era to include sites from the historical and industrial eras. Its acceptance has been a relatively late development due to the difficulties of accessing and working underwater sites, and because the application of archaeology to underwater sites initially emerged from the skills and tools developed by shipwreck salvagers. As a result, underwater archaeology initially struggled to establish itself as actual archaeological research. This changed when universities began teaching the subject and a theoretical and practical base for the sub-discipline was firmly established in the late 1980’s. Underwater archaeology now has a number of branches including, maritime archaeology: the scientifically based study of past human life, behaviours and cultures and their activities in, on, around and (lately) under the sea, estuarie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ceramic Art
Ceramic art is art made from ceramic materials, including clay. It may take forms including artistic pottery, including tableware, tiles, figurines and other sculpture. As one of the plastic arts, ceramic art is one of the visual arts. While some ceramics are considered fine art, such as pottery or sculpture, most are considered to be decorative, industrial or applied art objects. Ceramics may also be considered artefacts in archaeology. Ceramic art can be made by one person or by a group of people. In a pottery or ceramic factory, a group of people design, manufacture and decorate the art ware. Products from a pottery are sometimes referred to as "art pottery". In a one-person pottery studio, ceramists or potters produce studio pottery. The word "ceramics" comes from the Greek ''keramikos'' (κεραμεικός), meaning "pottery", which in turn comes from ''keramos'' (κέραμος) meaning "potter's clay". Most traditional ceramic products were made from clay ( ... [...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] |
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