44-606: 52°44′14.65″N 2°24′9.83″W / 52.7374028°N 2.4027306°W / 52.7374028; -2.4027306 The Lilleshall Monument , also known as the Sutherland Monument, is a 21-metre (70-foot) stone obelisk erected in 1833 on Lilleshall Hill overlooking the village of Lilleshall in Shropshire . Commemorating George Leveson-Gower, 1st Duke of Sutherland , the monument is an ashlar obelisk on square plinth, standing on stepped base. The construction
88-593: A United Kingdom building or structure is a stub . You can help Misplaced Pages by expanding it . Lilleshall Lilleshall is a village and civil parish in the county of Shropshire , England. It lies between the towns of Telford and Newport , on the A518 , in the Telford and Wrekin borough and the Wrekin constituency. There is one school in the centre of the village. The village dates back to Anglo-Saxon times,
132-453: A bloomery is iron that is easily forgeable , it requires a low carbon content. The temperature and ratio of charcoal to iron ore must be carefully controlled to keep the iron from absorbing too much carbon and thus becoming unforgeable. Cast iron occurs when the iron absorbs 2% to 4% carbon. Because the bloomery is self- fluxing , the addition of limestone is not required to form a slag. The small particles of iron produced in this way fall to
176-399: A bloomery's size is increased, the iron ore is exposed to burning charcoal for a longer time. When combined with the strong air blast required to penetrate the large ore and charcoal stack, this may cause part of the iron to melt and become saturated with carbon in the process, producing unforgeable pig iron, which requires oxidation to be reduced into cast iron, steel, and iron. This pig iron
220-507: A bracken-covered hill named Lilleshall Hill. Lilleshall Abbey , some distance to the east of the village, was an Augustinian house, founded in the twelfth century, the ruins of which are protected by English Heritage . After the dissolution of the monasteries the estate was bought by the Wolverhampton wool merchant James Leveson. His family held the site for four generations and, after two owners died without issue, it passed into
264-432: A high iron content, it can also be broken up and may be recycled into the bloomery with the new ore. In operation, after the bloomery is heated typically with a wood fire, shifting to burning sized charcoal, iron ore and additional charcoal are introduced through the top. Again, traditional methods vary, but normally smaller charges of ore are added at the start of the main smelting sequence, increasing to larger amounts as
308-466: A higher carbon content) by manipulating the charge of and air flow to the bloomery is also possible. As the era of modern commercial steelmaking began, the word "bloom" was extended to another sense referring to an intermediate-stage piece of steel , of a size comparable to many traditional iron blooms, that was ready to be further worked into billet . The onset of the Iron Age in most parts of
352-405: A natural draft effect (into the range of 200 cm tall), and increasing bloom sizes into the range of 10–15 kg. Contemporary experimenters had routinely made blooms using Northern European-derived "short-shaft" furnaces with blown air supplies in the 5–10 kg range The use of waterwheels , spreading around the turn of the first millennium and used to power more massive bellows, allowed
396-450: A noncarburized bloom, this pound, fold, and weld process resulted in a more homogeneous product and removed much of the slag. The process had to be repeated up to 15 times when high-quality steel was needed, as for a sword. The alternative was to carburize the surface of a finished product. Each welding's heat oxidises some carbon, so the master smith had to make sure enough carbon was in the starting mixture. In England and Wales, despite
440-442: A porous mass of iron and slag called a bloom . The mix of slag and iron in the bloom, termed sponge iron , is usually consolidated and further forged into wrought iron . Blast furnaces , which produce pig iron , have largely superseded bloomeries. A bloomery consists of a pit or chimney with heat-resistant walls made of earth, clay , or stone . Near the bottom, one or more pipes (made of clay or metal) enter through
484-522: A quote from William Shakespeare 's play Henry VIII spoken by the character Cardinal Wolsey . This references an exclamation made by the Duke of Sutherland during the 1820 trial of Queen Caroline . It was added in 2013, replacing a previous inscription which was stolen nearly forty years ago. The tablet on the north face reads "To the memory of George Granville Leveson Gower, K.G. 1st Duke of Sutherland. The most just and generous of landlords. This monument
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#1732776706469528-668: A similar time to the mining of limestone an early example of the English canal network was dug, the Donnington Wood Canal and its Lilleshall branch which were connected by an inclined plane , reflected in the naming of a road named The Incline in Lilleshall. The Leveson-Gower Dukes of Sutherland became one of the richest families in the United Kingdom partly as a result of this industrial development and in
572-416: A spongy mass referred to as the bloom . Because the bloom is typically porous , and its open spaces can be full of slag, the extracted mass must be beaten with heavy hammers to both compress voids and drive out any molten slag remaining. This process may require several additional heating and compaction cycles, working at high 'welding' temperatures. Iron treated this way is said to be wrought (worked), and
616-425: A wind-driven furnace was found in an excavation site. Such furnaces were powered by the monsoon winds and have been dated to 300 BC using radiocarbon-dating techniques. These ancient Lankan furnaces might have produced the best-quality steel for legendary Damascus swords as referred in earlier Syrian records. Field trials using replica furnaces confirmed that this furnace type uses a wind-based air-supply principle that
660-447: Is also in the grounds of Lilleshall Hall. The Lilleshall Monument is a 70-foot (21 m) high obelisk , a local landmark which stands on top of Lilleshall Hill and was erected in honour of the 1st Duke of Sutherland . Bloomery A bloomery is a type of metallurgical furnace once used widely for smelting iron from its oxides . The bloomery was the earliest form of smelter capable of smelting iron. Bloomeries produce
704-539: Is distinct from either forced or natural draught, and show also that they are capable of producing high-carbon steel. Wrought iron was used in the construction of monuments such as the iron pillar of Delhi , built in the third century AD during the Gupta Empire . The latter was built using a towering series of disc-shaped iron blooms. Similar to China, high-carbon steel was eventually used in India, although cast iron
748-431: Is erected by the occupiers of his Grace's Shropshire farms as a public testimony that he went down to his grave with the blessings of his tenants on his head and left behind him upon his estates the best inheritance which a gentleman of England can bequeath to his son; men ready to stand by his house, heart and hand." Historic England have classified the monument as a Grade II listed building . This article about
792-685: Is located in Fengxiang County , Shaanxi (a museum exists on the site today). The earliest records of bloomery-type furnaces in East Africa are discoveries of smelted iron and carbon in Nubia in ancient Sudan dated at least to the seventh to the sixth century BC. The ancient bloomeries that produced metal tools for the Nubians and Kushites produced a surplus for sale. All traditional sub-Saharan African iron-smelting processes are variants of
836-420: Is nearly pure carbon , which, when burned, both produces the high temperature needed for the smelting process and provides the carbon monoxide needed for reduction of the metal. The ore is broken into small pieces and usually roasted in a fire, to make rock-based ores easier to break up, bake out some impurities, and (to a lesser extent) to remove any moisture in the ore. Any large impurities (as silica) in
880-658: The Nsukka region of southeast Nigeria in what is now Igboland . The site of Gbabiri, in the Central African Republic , has also yielded evidence of iron metallurgy, from a reduction furnace and blacksmith workshop, with earliest dates of 896–773 and 907–796 BC, respectively. During a hydroelectric plant project, in the southern foothills of the Central Highlands, Samanalawewa, in Sri Lanka ,
924-592: The missions , encomiendas , and pueblos . As part of the Franciscan Spanish missions in Alta California , the "Catalan forges" at Mission San Juan Capistrano from the 1790s are the oldest existing facilities of their kind in the present day state of California . The bloomeries' sign proclaims the site as being "part of Orange County 's first industrial complex". The archaeology at Jamestown Virginia ( circa 1610–1615 ) had recovered
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#1732776706469968-625: The 12th century. The oldest bloomery in Sweden, also found in the same area, has been carbon-14 dated to 700 BCE. Bloomeries survived in Spain and southern France as Catalan forges into the mid-19th century, and in Austria as the Stückofen to 1775. Iron smelting was unknown in pre-Columbian America . Excavations at L'Anse aux Meadows , Newfoundland, have found considerable evidence for
1012-485: The West, iron began to be used around 1200 BC. China has long been considered the exception to the general use of bloomeries. The Chinese are thought to have skipped the bloomery process completely, starting with the blast furnace and the finery forge to produce wrought iron; by the fifth century BC, metalworkers in the southern state of Wu had invented the blast furnace and the means to both cast iron and to decarburize
1056-803: The arrival of the blast furnace in the Weald in about 1491, bloomery forges, probably using waterpower for the hammer and the bellows, were operating in the West Midlands region beyond 1580. In Furness and Cumberland , they operated into the early 17th century and the last one in England (near Garstang ) did not close until about 1770. One of the oldest-known blast furnaces in Europe has been found in Lapphyttan in Sweden , carbon-14 dated to be from
1100-731: The bloomery process. There is considerable discussion about the origins of iron metallurgy in Africa . Smelting in bloomery type furnaces in West Africa and forging of tools appeared in the Nok culture of central Nigeria by at least 550 BC and possibly several centuries earlier. Also, evidence indicates iron smelting with bloomery-style furnaces dated to 750 BC in Opi (Augustin Holl 2009) and Lejja dated to 2,000 BC (Pamela Eze-Uzomaka 2009), both sites in
1144-409: The bloomery to become larger and hotter, with associated trip hammers allowing the consolidation forging of the larger blooms created. Progressively larger bloomeries were constructed in the late 14th century, with a capacity of about 15 kg on average, though exceptions did exist. European average bloom sizes quickly rose to 300 kg, where they levelled off until the demise of the bloomery. As
1188-474: The bottom of the furnace, where they combine with molten slag, often consisting of fayalite , a compound of silicon , oxygen , and iron mixed with other impurities from the ore. The hot liquid slag, running to the bottom of the furnace, cools against the base and lower side walls of the furnace, effectively forming a bowl still containing fluid slag. As the individual iron particles form, they fall into this bowl and sinter together under their own weight, forming
1232-443: The carbon-rich pig iron produced in a blast furnace to a low-carbon, wrought iron-like material. Recent evidence, however, shows that bloomeries were used earlier in ancient China , migrating in from the west as early as 800 BC, before being supplanted by the locally developed blast furnace. Supporting this theory was the discovery of "more than ten" iron-digging implements found in the tomb of Duke Jing of Qin (d. 537 BCE), whose tomb
1276-444: The hands of the related Leveson-Gower family in the late 17th century. Lilleshall is surrounded by farmland. The village and surrounds were the site of considerable early industrial development from as early as the 16th century, when Walter Leveson (1551-1602) established a bloomery . In the eighteenth and nineteenth centuries relatively shallow deposits of coal and limestone were mined, with resultant subsidence. The history of
1320-519: The iron content of the primary bog iron ore found in the purpose built 'furnace hut' with the iron remaining in that slag, an estimated 3 kg iron bloom was produced. At a yield of at best 20% from what is a good iron rich ore, this suggests the workers processing the ore had not been particularly skilled. This supports the idea that iron processing knowledge was widespread and not restricted to major centers of trade and commerce. Archaeologists also found 98 nail, and importantly, ship rivet fragments, at
1364-624: The late nineteenth century built a new residence, Lilleshall Hall which lies at the heart of the estate a mile from the village. The Sutherland estate was sold off between 1915 and 1917 and the hall eventually passed into state ownership as a sporting facility. It is now the Lilleshall Hall National Sports Centre , once the site of the Football Association youth academy, and now the home of British gymnastics and archery. Lilleshall Hall Golf Club
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1408-554: The mining of limestone is reflected in the naming of a road called 'Limekiln Lane' in Lilleshall. The former limestone mines are tucked away in treeland at the Newport end of the village, locally known as "the Slang", which is effectively several pits now filled with water, popular with local fishermen and unpopular with local parents of young children - the water is deep and the former minepits area quite dark, abandoned and dangerous. At
1452-481: The ore can be removed as it is crushed. The desired particle size depends primarily on which of several ore types may be available, which will also have a relationship to the layout and operation of the furnace, of which a number of regional, historic/traditional forms exist. Natural iron ores can vary considerably in oxide form ( Fe 2 O 3 / Fe 3 O 4 / FeO(OH) ), and importantly in relative iron content. Since slag from previous blooms may have
1496-480: The parish church being founded by St Chad . It is mentioned in the Domesday Book . The Norman parish church of St Michael and All Angels is a grade I listed building. A civil parish was formed on 1 April 2015 from Lilleshall, Donnington and Muxton , though a previous parish also called "Lilleshall" existed. There is a monument, a cricket club, a tennis club, a church and a primary school clustered around
1540-476: The processing of bog iron and the production of iron in a bloomery by the Norse. The cluster of Viking Age ( c. 1000 –1022 AD) at L'Anse aux Meadows are situated on a raised marine terrace, between a sedge peat bog and the ocean. Estimates from the smaller amount of slag recovered archaeologically suggest 15 kg of slag was produced during what appears to have been a single smelting attempt. By comparing
1584-594: The remains of a simple short-shaft bloomery furnace, likely intended as yet another "resource test" like the one in Vinland much earlier. The English settlers of the Thirteen Colonies were prevented by law from manufacture; for a time, the British sought to situate most of the skilled artisanry at domestic locations. In fact, this was one of the problems that led to the revolution. The Falling Creek Ironworks
1628-418: The resulting iron, with reduced amounts of slag, is called wrought iron or bar iron. Because of the creation process, individual blooms can often have differing carbon contents between the original top and bottom surfaces, differences that will also be somewhat blended together through the flattening, folding, and hammer-welding sequences. Intentionally producing blooms that are coated in steel (i.e. iron with
1672-411: The side walls. These pipes, called tuyeres , allow air to enter the furnace, either by natural draught or forced with bellows or a trompe . An opening at the bottom of the bloomery may be used to remove the bloom, or the bloomery can be tipped over and the bloom removed from the top. The first step taken before the bloomery can be used is the preparation of the charcoal and the iron ore. Charcoal
1716-552: The site as well as considerable evidence for woodworking – which points to boat or possibly ship repairs being undertaken at the site. (An important consideration remains that a potential 3 kg raw bloom most certainly does not make enough refined bar to manufacture the 3 kg of recovered nails and rivets.) In the Spanish colonization of the Americas , bloomeries or "Catalan forges" were part of "self-sufficiency" at some of
1760-404: The smelt progresses. Overall, a typical ratio of total charcoal to ore added is in a roughly one-to-one ratio. Inside the furnace, carbon monoxide from the incomplete combustion of the charcoal reduces the iron oxides in the ore to metallic iron without melting the ore; this allows the bloomery to operate at lower temperatures than the melting temperature of the ore. As the desired product of
1804-521: The world coincides with the first widespread use of the bloomery. While earlier examples of iron are found, their high nickel content indicates that this is meteoric iron . Other early samples of iron may have been produced by accidental introduction of iron ore in copper-smelting operations. Iron appears to have been smelted in the Middle East as early as 3000 BC, but coppersmiths, not being familiar with iron, did not put it to use until much later. In
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1848-512: Was considered a waste product detracting from the largest bloomeries' yield, and early blast furnaces , identical in construction, but dedicated to the production of molten iron, were not built until the 14th century. Bloomery type furnaces typically produced a range of iron products from very low-carbon iron to steel containing around 0.2–1.5% carbon. The master smith had to select pieces of low-carbon iron, carburize them, and pattern-weld them together to make steel sheets. Even when applied to
1892-427: Was not used for architecture until modern times. Early European bloomeries were relatively small, primarily due to the mechanical limits of human-powered bellows and the amount of force possible to apply with hand-driven sledge hammers. Those known archaeologically from the pre-Roman Iron Age tend to be in the 2 kg range, produced in low shaft furnaces. Roman-era production often used furnaces tall enough to create
1936-422: Was originally funded through £933.15s collected from the Duke's tenants. Originally there were two lions and two griffins at each corner, however these were damaged after a violent thunderstorm and were removed. There are two inscribed tablets on the monument, on both the north and south faces. The inscription on the southern side reads "LET ALL THE ENDS THOU AIMEST AT BE THY COUNTRY'S, THY GOD'S AND TRUTH'S",
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