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Kumortuli

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Pottery is the process and the products of forming vessels and other objects with clay and other raw materials, which are fired at high temperatures to give them a hard and durable form. The place where such wares are made by a potter is also called a pottery (plural potteries ). The definition of pottery , used by the ASTM International , is "all fired ceramic wares that contain clay when formed, except technical, structural, and refractory products". End applications include tableware , decorative ware , sanitary ware , and in technology and industry such as electrical insulators and laboratory ware. In art history and archaeology , especially of ancient and prehistoric periods, pottery often means only vessels, and sculpted figurines of the same material are called terracottas .

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53-719: Kumortuli (also spelt Kumartuli ) is a traditional potters ' quarter in North Kolkata in West Bengal , India . The city is renowned for its sculpting prowess. It not only manufactures clay idols for various festivals but also regularly exports them. The British colonisation of Bengal and India started following the victory of the British East India Company in the Battle of Plassey in 1757. The company decided to build new settlement Fort William at

106-561: A desired shape and heating them to high temperatures (600–1600 °C) in a bonfire , pit or kiln , which induces reactions that lead to permanent changes including increasing the strength and rigidity of the object. Much pottery is purely utilitarian, but some can also be regarded as ceramic art . An article can be decorated before or after firing. Pottery is traditionally divided into three types: earthenware , stoneware and porcelain . All three may be glazed and unglazed. All may also be decorated by various techniques. In many examples

159-400: A differentiated culture which was earlier thought to be typical Indus Valley civilisation (IVC) culture. Pottery is durable, and fragments, at least, often survive long after artifacts made from less-durable materials have decayed past recognition. Combined with other evidence, the study of pottery artefacts is helpful in the development of theories on the organisation, economic condition and

212-459: A locality. The main ingredient of the body is clay . Some different types used for pottery include: It is common for clays and other raw materials to be mixed to produce clay bodies suited to specific purposes. Various mineral processing techniques are often utilised before mixing the raw materials, with comminution being effectively universal for non-clay materials. Examples of non-clay materials include: The production of pottery includes

265-416: A more distant connection between groups, such as trade in the same market or even relatively close settlements. Techniques that require more studied replication (i.e., the selection of clay and the fashioning of clay) may indicate a closer connection between peoples, as these methods are usually only transmissible between potters and those otherwise directly involved in production. Such a relationship requires

318-581: A rough guide, modern earthenwares are normally fired at temperatures in the range of about 1,000  °C (1,830 °F) to 1,200 °C (2,190 °F); stonewares at between about 1,100 °C (2,010 °F) to 1,300 °C (2,370 °F); and porcelains at between about 1,200 °C (2,190 °F) to 1,400 °C (2,550 °F). Historically, reaching high temperatures was a long-lasting challenge, and earthenware can be fired effectively as low as 600 °C (1,112 °F), achievable in primitive pit firing . The time spent at any particular temperature

371-512: A waterproof barrier, and improve its durability. Below are the major types of glazing commonly used in pottery: 1. Glossy Glaze - Produces a shiny, reflective surface. - Highlights intricate patterns and textures. - Often used for decorative purposes. 2. Matte Glaze - Provides a smooth, non-reflective finish. - Suitable for modern and minimalist designs. - Ideal for functional wares like plates and mugs, as it minimizes glare. 3. Transparent Glaze - Can be glossy or matte. - Allows

424-466: A wealthy former resident. His wealth was accrued because of his status as the first tax collector of Kolkata, during the 1700s. Gobindram Mitter , the tax collector after Nandram, lived in a large mansion on a sprawling 16-acre property during this time. His house is now known as one of the "Great Houses of Old Calcutta". Banamali Sarkar's famous house which is immortalized in Bengali rhyming proverb,

477-614: Is Sovabazar Sutanuti metro station and through metro, it can be easily accessed the areas of Dakshineswar and New Garia ( Kavi Subhash metro station ). Pottery Pottery is one of the oldest human inventions , originating before the Neolithic period , with ceramic objects such as the Gravettian culture Venus of Dolní Věstonice figurine discovered in the Czech Republic dating back to 29,000–25,000 BC. However,

530-401: Is also important, the combination of heat and time is known as heatwork . Kilns can be monitored by pyrometers , thermocouples and pyrometric devices . The atmosphere within a kiln during firing can affect the appearance of the body and glaze. Key to this is the differing colours of the various oxides of iron, such as iron(III) oxide (also known as ferric oxide or Fe 2 O 3 ) which

583-485: Is associated with brown-red colours, whilst iron(II) oxide (also known as ferrous oxide or FeO) is associated with much darker colours, including black. The oxygen concentration in the kiln influences the type, and relative proportions, of these iron oxides in fired the body and glaze: for example, where there is a lack of oxygen during firing the associated carbon monoxide (CO) will readily react with oxygen in Fe 2 O 3 in

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636-610: Is different from the traditional Durga puja of Bengal. According to the current priest of the temple, Shaktiprasad Ghosal, during Durga Puja, the goddess is worshipped in accordance with the Navratri or nine night rituals of Northern India. Being close to the heart of Kolkata, Kumortuli was home to a number of renowned or famous people during the Bengal Renaissance . There is a road in Kumortuli named after Nandram Sen,

689-400: Is important part of archaeology for understanding the archaeological culture of the excavated site by studying the fabric of artifacts, such as their usage, source material composition, decorative pattern, color of patterns, etc. This helps to understand characteristics, sophistication , habits, technology, tools, trade, etc. of the people who made and used the pottery. Carbon dating reveals

742-426: Is lit and the woman runs around the circumference of the mound touching the burning torch to the dried grass. Some mounds are still being constructed as others are already burning. Pottery may be decorated in many different ways. Some decoration can be done before or after the firing, and may be undertaken before or after glazing. Glaze is a glassy coating on pottery, and reasons to use it include decoration, ensuring

795-425: Is made by heating materials, generally including kaolin , in a kiln to temperatures between 1,200 and 1,400 °C (2,200 and 2,600 °F). This is higher than used for the other types, and achieving these temperatures was a long struggle, as well as realizing what materials were needed. The toughness, strength and translucence of porcelain, relative to other types of pottery, arises mainly from vitrification and

848-582: Is normally fired below 1200 °C. Because unglazed earthenware is porous, it has limited utility for the storage of liquids or as tableware. However, earthenware has had a continuous history from the Neolithic period to today. It can be made from a wide variety of clays, some of which fire to a buff, brown or black colour, with iron in the constituent minerals resulting in a reddish-brown. Reddish coloured varieties are called terracotta , especially when unglazed or used for sculpture. The development of ceramic glaze made impermeable pottery possible, improving

901-430: Is placed within the context of linguistic and migratory patterns, it becomes an even more prevalent category of social artifact. As proposed by Olivier P. Gosselain, it is possible to understand ranges of cross-cultural interaction by looking closely at the chaîne opératoire of ceramic production. The methods used to produce pottery in early Sub-Saharan Africa are divisible into three categories: techniques visible to

954-405: Is shaped by a variety of techniques, which include: Prior to firing, the water in an article needs to be removed. A number of different stages, or conditions of the article, can be identified: Firing produces permanent and irreversible chemical and physical changes in the body. It is only after firing that the article or material is pottery. In lower-fired pottery, the changes include sintering ,

1007-455: Is still used for dishes that benefit from the qualities of pottery cooking, typically slow cooking in an oven, such as biryani , cassoulet , daube , tagine , jollof rice , kedjenou , cazuela and types of baked beans . The earliest forms of pottery were made from clays that were fired at low temperatures, initially in pit-fires or in open bonfires . They were hand formed and undecorated. Earthenware can be fired as low as 600 °C, and

1060-400: The "clay matrix" – composed of grains of less than 0.02 mm grains which can be seen using the high-powered microscopes or a scanning electron microscope , and the "clay inclusions" – which are larger grains of clay and could be seen with the naked eye or a low-power binocular microscope. For geologists, fabric analysis means spatial arrangement of minerals in a rock. For Archaeologists,

1113-566: The "fabric analysis" of pottery entails the study of clay matrix and inclusions in the clay body as well as the firing temperature and conditions . Analysis is done to examine the following 3 in detail: The Six fabrics of Kalibangan is a good example of fabric analysis. Body , or clay body, is the material used to form pottery. Thus a potter might prepare, or order from a supplier, such an amount of earthenware body, stoneware body or porcelain body. The compositions of clay bodies varies considerably, and include both prepared and 'as dug';

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1166-540: The Adi Shakti . The idol of Durga is called Dhakeswari. In 1947, during the Partition of India , caretakers of the temple evacuated the idol from Dhaka to Calcutta, and it has remained there since. After this, a Tiwari family from Azamgarh was appointed by the royal family to undertake daily worship of the deity. In 1946, the descendants of that family, Prallad Kishore Tiwari (or Rajendra Kishore Tiwari) transported

1219-511: The British East India Company , allotted "separate districts to the Company’s workmen". These neighbourhoods in the heart of the Indian quarters acquired the work-related names – Suriparah (the place of wine sellers), Collotollah (the place of oil men), Chuttarparah (the place of carpenters), Aheeritollah (cowherd's quarters), Coomartolly (potters' quarters) and so on. Most of the artisans living in

1272-496: The Hooghly River . It is between Beniatola (Ahiritola) and Shobhabazar . In maps showing thanas or police stations in old Kolkata, Kumortuli is shown as being between Shyampukur , Bartala, Jorasanko , Jorabagan and Hooghly River . Dhakeswari Mata Temple is a Hindu temple located in Kumortuli, near Sovabazar , Kolkata . It is situated on the eastern bank of the Hooghly River near Kumartolly. The presiding deity of

1325-439: The North Kolkata neighbourhoods dwindled in numbers or even vanished, as they were pushed out of the area in the late nineteenth century by the invasion from Burrabazar . In addition, Marwari businessmen virtually flushed out others from many North Kolkata localities. The potters of Kumortuli, who fashioned the clay from the river beside their home into pots to be sold at Sutanuti Bazar (later Burrabazar), managed to survive in

1378-503: The ability of the involved parties to communicate effectively, implying pre-existing norms of contact or a shared language between the two. Thus, the patterns of technical diffusion in pot-making that are visible via archaeological findings also reveal patterns in societal interaction. Chronologies based on pottery are often essential for dating non-literate cultures and are often of help in the dating of historic cultures as well. Trace-element analysis , mostly by neutron activation , allows

1431-452: The age. Sites with similar pottery characteristics have the same culture, those sites which have distinct cultural characteristics but with some overlap are indicative of cultural exchange such as trade or living in vicinity or continuity of habitation, etc. Examples are black and red ware , redware , Sothi-Siswal culture and Painted Grey Ware culture . The six fabrics of Kalibangan is a good example of use of fabric analysis in identifying

1484-514: The area. Gradually they took to making the images of gods and goddesses, worshipped in large numbers in the mansions all around and later at community pujas in the city and beyond. In 1888, one of the 25 newly organized police section houses was located in Kumartuli. Kumortuli is located in Ward No. 8 of Kolkata Municipal Corporation , mostly between Rabindra Sarani (formerly Chitpur Road) and

1537-417: The branches and then grass is piled high to complete the mound. Although the mound contains the pots of many women, who are related through their husbands' extended families, each women is responsible for her own or her immediate family's pots within the mound. When a mound is completed and the ground around has been swept clean of residual combustible material, a senior potter lights the fire. A handful of grass

1590-431: The cultural development of the societies that produced or acquired pottery. The study of pottery may also allow inferences to be drawn about a culture's daily life, religion, social relationships, attitudes towards neighbours, attitudes to their own world and even the way the culture understood the universe. It is valuable to look into pottery as an archaeological record of potential interaction between peoples. When pottery

1643-480: The duration of firing influences the final characteristics of the ceramic. Thus, the maximum temperature within a kiln is often held constant for a period of time to soak the wares to produce the maturity required in the body of the wares. Kilns may be heated by burning combustible materials, such as wood , coal and gas , or by electricity . The use of microwave energy has been investigated. When used as fuels, coal and wood can introduce smoke, soot and ash into

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1696-650: The earliest known pottery vessels were discovered in Jiangxi , China, which date back to 18,000 BC. Other early Neolithic and pre-Neolithic pottery artifacts have been found, in Jōmon Japan (10,500 BC), the Russian Far East (14,000 BC), Sub-Saharan Africa (9,400 BC), South America (9,000s–7,000s BC), and the Middle East (7,000s–6,000s BC). Pottery is made by forming a clay body into objects of

1749-460: The eye (decoration, firing and post-firing techniques), techniques related to the materials (selection or processing of clay, etc.), and techniques of molding or fashioning the clay. These three categories can be used to consider the implications of the reoccurrence of a particular sort of pottery in different areas. Generally, the techniques that are easily visible (the first category of those mentioned above) are thus readily imitated, and may indicate

1802-430: The following stages: Before being shaped, clay must be prepared. This may include kneading to ensure an even moisture content throughout the body. Air trapped within the clay body needs to be removed, or de-aired, and can be accomplished either by a machine called a vacuum pug or manually by wedging . Wedging can also help produce an even moisture content. Once a clay body has been kneaded and de-aired or wedged, it

1855-486: The foot) is left unglazed or, alternatively, special refractory " spurs " are used as supports. These are removed and discarded after the firing. Some specialised glazing techniques include: Types of Glazing in Pottery. Glazing in pottery is the process of applying a coating or layer of material to ceramics that, when fired, forms a vitreous or glass-like surface. Glazes enhance the aesthetic appeal of pottery, provide

1908-659: The formation of the mineral mullite within the body at these high temperatures. Although porcelain was first made in China , the Chinese traditionally do not recognise it as a distinct category, grouping it with stoneware as "high-fired" ware, opposed to "low-fired" earthenware. This confuses the issue of when it was first made. A degree of translucency and whiteness was achieved by the Tang dynasty (AD 618–906), and considerable quantities were being exported. The modern level of whiteness

1961-443: The former being by far the dominant type for studio and industry. The properties also vary considerably, and include plasticity and mechanical strength before firing; the firing temperature needed to mature them; properties after firing, such as permeability, mechanical strength and colour. There can be regional variations in the properties of raw materials used for pottery, and these can lead to wares that are unique in character to

2014-412: The fusing together of coarser particles in the body at their points of contact with each other. In the case of porcelain, where higher firing-temperatures are used, the physical, chemical and mineralogical properties of the constituents in the body are greatly altered. In all cases, the reason for firing is to permanently harden the wares, and the firing regime must be appropriate to the materials used. As

2067-553: The group a piece belongs to is immediately visually apparent, but this is not always the case; for example fritware uses no or little clay, so falls outside these groups. Historic pottery of all these types is often grouped as either "fine" wares, relatively expensive and well-made, and following the aesthetic taste of the culture concerned, or alternatively "coarse", "popular", "folk" or "village" wares, mostly undecorated, or simply so, and often less well-made. Cooking in pottery became less popular once metal pots became available, but

2120-523: The idol in a highly confidential aircraft to Kolkata and was re-appointed, where they still serve the goddess continuously. After taken to Kolkata, the idol spent the next two or three years being worshipped in the Debendranath Chowdhury home. In 1950 the businessman Debendranath Chowdhary built the temple of the goddess in the Kumortuli area and established some of the goddess' property for her daily services. The Dhakeshwari devi worship

2173-417: The item is impermeable to liquids, and minimizing the adherence of pollutants. Glaze may be applied by spraying, dipping, trailing or brushing on an aqueous suspension of the unfired glaze. The colour of a glaze after it has been fired may be significantly different from before firing. To prevent glazed wares sticking to kiln furniture during firing, either a small part of the object being fired (for example,

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2226-431: The kiln which can affect the appearance of unprotected wares. For this reason, wares fired in wood- or coal-fired kilns are often placed in the kiln in saggars , ceramic boxes, to protect them. Modern kilns fuelled by gas or electricity are cleaner and more easily controlled than older wood- or coal-fired kilns and often allow shorter firing times to be used. Niche techniques include: [...] pots are positioned on and amid

2279-586: The late Middle Ages, as European kilns were less efficient, and the right type of clay less common. It remained a speciality of Germany until the Renaissance. Stoneware is very tough and practical, and much of it has always been utilitarian, for the kitchen or storage rather than the table. But "fine" stoneware has been important in China , Japan and the West, and continues to be made. Many utilitarian types have also come to be appreciated as art. Porcelain

2332-506: The popularity and practicality of pottery vessels. Decoration has evolved and developed through history. Stoneware is pottery that has been fired in a kiln at a relatively high temperature, from about 1,100 °C to 1,200 °C, and is stronger and non-porous to liquids. The Chinese, who developed stoneware very early on, classify this together with porcelain as high-fired wares. In contrast, stoneware could only be produced in Europe from

2385-421: The raw materials and cause it to be reduced to FeO. An oxygen deficient condition, called a reducing atmosphere, is generated by preventing the complete combustion of the kiln fuel; this is achieved by deliberately restricting the supply of air or by supplying an excess of fuel. Firing pottery can be done using a variety of methods, with a kiln being the usual firing method. Both the maximum temperature and

2438-473: The site of the Gobindapur village. Most of the existing population shifted to Sutanuti . While such neighbourhoods as Jorasanko and Pathuriaghata became the centres of the local rich; there were other areas that were developed simultaneously. The villages of Gobindapur, Sutanuti and Kalikata developed to give rise to the latter day metropolis of Calcutta. Holwell , under orders from the directors of

2491-471: The sources of clay to be accurately identified and the thermoluminescence test can be used to provide an estimate of the date of last firing. Examining sherds from prehistory, scientists learned that during high-temperature firing, iron materials in clay record the state of the Earth's magnetic field at that moment. The "clay body" is also called the "paste" or the "fabric" , which consists of 2 things,

2544-461: The temple is Devi Durga , which was taken to Kolkata in 1947 from Dhakeswari Temple in Dhaka, Bangladesh. The idol is 1.5 feet tall and has ten arms, which are mounted on a mythical lion in the form of Katyani Mahishasurmardini Durga. On her two sides are Laxmi , Saraswati , Kartik and Ganesh . The origins of the main temple remain mysterious, hence many rumors preside. One rumor suggests that

2597-579: The underlying decoration or texture of the pottery to show through. - Often used over underglaze decorations. 4. Opaque Glaze - Completely covers the surface of the pottery, hiding any underlying texture or decoration. - Useful for creating uniform, bold colors. 5. Celadon Glaze - A translucent glaze, usually in shades of green or blue. - Originated in China and is popular in East Asian ceramics. - Accentuates carved or textured designs beneath

2650-479: The wife of King Bijoy Sen once went to the village of Langolbond to bathe. On her way back she gave birth to a son, Ballal Sen . Later this prince became king of the Sena dynasty . After ascending to the throne, Ballal Sen built a temple to glorify his birthplace, which is known as Dhakeswari temple , Bangladesh . Ballal Sen proceeded to have vivid dreams, one of which involved the deity Durga . He dreamt that Durga

2703-416: Was hidden within the jungle; he proceeded to discover the said deity which was concealed there. In order to celebrate this discovery, he built a temple later named Dhakeswari . This explains the etymological meaning of "Dhakeswari", which means "covered or hidden deity". According to Bengali Hindus Dhakeswari is considered to be the presiding deity of Dhaka , which is an incarnation or form of Goddess Durga,

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2756-520: Was not reached until much later, in the 14th century. Porcelain was also made in Korea and in Japan from the end of the 16th century, after suitable kaolin was located in those countries. It was not made effectively outside East Asia until the 18th century. The study of pottery can help to provide an insight into past cultures. Fabric analysis (see section below), used to analyse the fabric of pottery ,

2809-408: Was there till the 19th century. He has a winding lane named after him in Kumortuli. Rabindra Sarani passes through Kumortuli. Sovabazar Ahiritola railway station and Bagbazar railway station on Kolkata Circular Railway line are the nearest stations. Kolkata Station , which is one of the five major railway-terminals of Kolkata Metropolitan Area , is also located nearby. Nearest metro station

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