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67-626: The fort was declared a National Historic Landmark in 1960 and is part of the Fort Robinson and Red Cloud Agency historic district . This includes Fort Robinson and the site of the second Red Cloud Agency (about 1.5 mi (2.4 km) to the east). The district also includes the Camp Camby site and the 1886 Percy Homestead. The fort is managed by the Nebraska Game and Parks Commission , with some individual buildings operated by

134-402: A National Historical Park may include more than one National Historic Landmark and contributing properties that are buildings, structures, sites or objects, and it may include non-contributing properties. Contributing properties may or may not also be separately listed or registered. Prior to 1935, efforts to preserve cultural heritage of national importance were made by piecemeal efforts of

201-406: A heavy bar or rod for the hammer handle. Punching is not limited to depressions and holes. It also includes cutting, slitting, and drifting—all done with a chisel. The five basic forging processes are often combined to produce and refine the shapes necessary for finished products. For example, to fashion a cross-peen hammer head, a smith would start with a bar roughly the diameter of the hammer face:

268-434: A historical distinction between the heavy work of the blacksmith and the more delicate operations of a whitesmith , who usually worked in gold , silver , pewter , or the finishing steps of fine steel. The place where a blacksmith works is variously called a smithy , a forge , or a blacksmith's shop . While there are many professions who work with metal, such as farriers , wheelwrights , and armorers , in former times

335-405: A very low carbon content, and also included up to 5% of glassy iron silicate slag in the form of numerous very fine stringers. This slag content made the iron very tough, gave it considerable resistance to rusting, and allowed it to be more easily "forge welded," a process in which the blacksmith permanently joins two pieces of iron, or a piece of iron and a piece of steel, by heating them nearly to

402-436: A white heat and hammering them together. Forge welding is more difficult with modern mild steel, because it welds in a narrower temperature band. The fibrous nature of wrought iron required knowledge and skill to properly form any tool which would be subject to stress. Modern steel is produced using either the blast furnace or arc furnaces. Wrought iron was produced by a labor-intensive process called puddling , so this material

469-430: Is smelted into usable metal, a certain amount of carbon is usually alloyed with the iron. (Charcoal is almost pure carbon.) The amount of carbon significantly affects the properties of the metal. If the carbon content is over 2%, the metal is called cast iron , because it has a relatively low melting point and is easily cast. It is quite brittle, however, and cannot be forged so therefore not used for blacksmithing. If

536-400: Is a metalsmith who creates objects primarily from wrought iron or steel , but sometimes from other metals , by forging the metal , using tools to hammer, bend, and cut (cf. tinsmith ). Blacksmiths produce objects such as gates, grilles, railings, light fixtures, furniture, sculpture, tools, agricultural implements, decorative and religious items, cooking utensils, and weapons. There was

603-459: Is a heroic blacksmith in Germanic mythology. The Poetic Edda states that he forged beautiful gold rings set with wonderful gems. He was captured by king Níðuðr , who cruelly hamstrung him and imprisoned him on an island. Völundr eventually had his revenge by killing Níðuðr's sons and fashioning goblets from their skulls, jewels from their eyes and a brooch from their teeth. He then raped

670-472: Is an alloy of copper and zinc . Each material responds differently under the hammer and must be separately studied by the blacksmith. Steel with less than 0.6% carbon content cannot be hardened enough by simple heat-treatment to make useful hardened-steel tools. Hence, in what follows, wrought-iron, low-carbon-steel, and other soft unhardenable iron varieties are referred to indiscriminately as just iron . In Hindu mythology, Tvastar also known as Vishvakarma

737-433: Is important for indicating the temperature and workability of the metal. As iron heats to higher temperatures, it first glows red, then orange, yellow, and finally white. The ideal heat for most forging is the bright yellow-orange color that indicates forging heat . Because they must be able to see the glowing color of the metal, some blacksmiths work in dim, low-light conditions, but most work in well-lit conditions. The key

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804-488: Is lengthened or "drawn out." As an example of drawing, a smith making a chisel might flatten a square bar of steel, lengthening the metal, reducing its depth but keeping its width consistent. Drawing does not have to be uniform. A taper can result as in making a wedge or a woodworking chisel blade. If tapered in two dimensions, a point results. Drawing can be accomplished with a variety of tools and methods. Two typical methods using only hammer and anvil would be hammering on

871-439: Is likely to have them crack and break apart. This is a problem for some blade-making steels, which must be worked carefully to avoid developing hidden cracks that would cause failure in the future. Though rarely hand-worked, titanium is notably hot short. Even such common smithing processes as decoratively twisting a bar are impossible with it. Upsetting is the process of making metal thicker in one dimension through shortening in

938-430: Is now a difficult-to-find specialty product. Modern blacksmiths generally substitute mild steel for making objects traditionally of wrought iron. Sometimes they use electrolytic-process pure iron. Many blacksmiths also incorporate materials such as bronze , copper , or brass in artistic products. Aluminum and titanium may also be forged by the blacksmith's process. Bronze is an alloy of copper and tin , while brass

1005-400: Is sufficiently corrosion-resistant that artifacts of bronze may last thousands of years relatively unscathed. Accordingly, museums frequently preserve more examples of Bronze Age metal-work than examples of artifacts from the much younger Iron Age . Buried iron artifacts may completely rust away in less than 100 years. Examples of ancient iron work still extant are very much the exception to

1072-509: Is the blacksmith of the devas . The earliest references of Tvastar can be found in the Rigveda . Hephaestus (Latin: Vulcan ) was the blacksmith of the gods in Greek and Roman mythology . A supremely skilled artisan whose forge was a volcano, he constructed most of the weapons of the gods, as well as beautiful assistants for his smithy and a metal fishing-net of astonishing intricacy. He

1139-510: Is to have consistent lighting, but not too bright. Direct sunlight obscures the colors. The techniques of smithing can be roughly divided into forging (sometimes called "sculpting"), welding, heat-treating, and finishing. Forging —the process smiths use to shape metal by hammering—differs from machining in that forging does not remove material. Instead, the smith hammers the iron into shape. Even punching and cutting operations (except when trimming waste) by smiths usually re-arrange metal around

1206-895: The Historic American Buildings Survey amassed information about culturally and architecturally significant properties in a program known as the Historic Sites Survey. Most of the designations made under this legislation became National Historic Sites , although the first designation, made December 20, 1935, was for a National Memorial , the Gateway Arch National Park (then known as the Jefferson National Expansion Memorial) in St. Louis , Missouri. The first National Historic Site designation

1273-731: The History Nebraska and the University of Nebraska . In August 1873, the Red Cloud Agency was moved from the North Platte River to the White River , near what is now Crawford, Nebraska , in the northwest corner of the state. The following March, the U. S. Government authorized the establishment of a military camp at the agency site. Some 13,000 Lakota had been subject to resettlement. The camp

1340-595: The Proto-Germanic *smiþaz meaning "skilled worker". Blacksmiths work by heating pieces of wrought iron or steel until the metal becomes soft enough for shaping with hand tools, such as a hammer, an anvil and a chisel . Heating generally takes place in a forge fueled by propane, natural gas, coal, charcoal, coke , or oil. Some modern blacksmiths may also employ an oxyacetylene or similar blowtorch for more localized heating. Induction heating methods are gaining popularity among modern blacksmiths. Color

1407-633: The United States Congress . In 1935, Congress passed the Historic Sites Act , which authorized the interior secretary authority to formally record and organize historic properties, and to designate properties as having "national historical significance", and gave the National Park Service authority to administer historically significant federally owned properties. Over the following decades, surveys such as

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1474-428: The 1904 blacksmith shop, the 1908 veterinary hospital, the 1887 officers' quarters, the 1875 guardhouse and adjutant's office, and the post cemetery. There is also a library with materials about Fort Robinson and military and western history available for research. A quartermaster's stores building is now used as a playhouse. The Fort Robinson Museum is located in the 1905 post headquarters building. Exhibits focus on

1541-842: The 50 states. New York City alone has more NHLs than all but five states: Virginia , California , Pennsylvania, Massachusetts, and New York, the latter of which has the most NHLs of all 50 states. There are 74 NHLs in the District of Columbia . Some NHLs are in U.S. commonwealths and territories, associated states, and foreign states . There are 15 in Puerto Rico , the Virgin Islands , and other U.S. commonwealths and territories ; five in U.S.-associated states such as Micronesia ; and one in Morocco . Over 100 ships or shipwrecks have been designated as NHLs. Approximately half of

1608-672: The National Historic Landmarks are privately owned . The National Historic Landmarks Program relies on suggestions for new designations from the National Park Service, which also assists in maintaining the landmarks . A friends' group of owners and managers, the National Historic Landmark Stewards Association, works to preserve, protect and promote National Historic Landmarks. If not already listed on

1675-791: The National Register of Historic Places, an NHL is automatically added to the Register upon designation; about three percent of Register listings are NHLs. Washington, D.C. is home to three specifically legislated exceptions to this rule: the White House , the United States Capitol , and the United States Supreme Court Building . All are designated as NHLs, but are not on the National Register. Blacksmith A blacksmith

1742-555: The National Register, or as an NHL) often triggered local preservation laws, legislation in 1980 amended the listing procedures to require owner agreement to the designations. On October 9, 1960, 92 places, properties, or districts were announced as eligible to be designated NHLs by U.S. Secretary of the Interior Fred A. Seaton . Agreements of owners or responsible parties were subsequently obtained, but all 92 have since been considered listed on that 1960 date. The origins of

1809-632: The United States and nearby. National Historic Landmark A National Historic Landmark ( NHL ) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance. Only some 2,500, or roughly three percent, of over 90,000 places listed on the country's National Register of Historic Places are recognized as National Historic Landmarks. A National Historic Landmark District sometimes called

1876-485: The United States secretary of the interior because they are: More than 2,500 NHLs have been designated. Most, but not all, are in the United States. There are NHLs in all 50 states and the national capital of Washington, D.C. Three states ( Pennsylvania , Massachusetts , and New York ) account for nearly 25 percent of the nation's NHLs. Three cities within these states, Philadelphia , Boston , and New York City , respectively, all separately have more NHLs than 40 of

1943-475: The anvil horn, and hammering on the anvil face using the cross peen of a hammer. Another method for drawing is to use a tool called a fuller , or the peen of the hammer, to hasten the drawing out of a thick piece of metal. (The technique is called fullering from the tool.) Fullering consists of hammering a series of indentations with corresponding ridges, perpendicular to the long section of the piece being drawn. The resulting effect looks somewhat like waves along

2010-418: The appearance of the piece. An experienced smith selects the finish based on the metal and on the intended use of the item. Finishes include (among others): paint, varnish, bluing , browning , oil, and wax. A blacksmith's striker is an assistant (frequently an apprentice ) whose job is to swing a large sledgehammer in heavy forging operations, as directed by the blacksmith. In practice, the blacksmith holds

2077-413: The army had been holding and starving them of food, water and heat during the severe winter. This campaign of torture and neglect was a tactic to try to force them into submission. U.S. soldiers hunted down the escapees, killing men, women, and children in the Fort Robinson massacre . The U.S. Supreme Court described it as a "shocking story", "one of the most melancholy of Indian tragedies". The event marked

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2144-460: The blacksmith had a general knowledge of how to make and repair many things, from the most complex of weapons and armor to simple things like nails or lengths of chain. The "black" in "blacksmith" refers to the black firescale , a layer of oxides that forms on the surface of the metal during heating. The origin of smith is the Old English word smið meaning "blacksmith", originating from

2211-418: The carbon content is between 0.25% and 2%, the resulting metal is tool steel , which can be heat treated as discussed above. When the carbon content is below 0.25%, the metal is either " wrought iron (wrought iron is not smelted and cannot come from this process) " or "mild steel." The terms are never interchangeable. In preindustrial times, the material of choice for blacksmiths was wrought iron. This iron had

2278-447: The center of the weld connects first and the connection spreads outward under the hammer blows, pushing out the flux (if used) and foreign material. The dressed metal goes back in the fire, is brought near to welding heat, removed from the fire, and brushed. Flux is sometimes applied, which prevents oxygen from reaching and burning the metal during forging, and it is returned to the fire. The smith now watches carefully to avoid overheating

2345-596: The copper used by the Mediterranean World came from the island of Cyprus . Most of the tin came from the Cornwall region of the island of Great Britain , transported by sea-borne Phoenician and Greek traders. Copper and bronze cannot be hardened by heat-treatment, they can only be hardened by cold working . To accomplish this, a piece of bronze is lightly hammered for a long period of time. The localized stress-cycling causes work hardening by changing

2412-619: The end of the Sioux and Cheyenne wars in Nebraska. In 1885, the 9th Cavalry Regiment , nicknamed the Buffalo Soldiers by Native Americans, was stationed at Fort Robinson. During the next several years, the fort was enlarged, and military training was a major activity. From 1889 to 1890, Second Lieutenant Charles Young served here and later was reassigned to the regiment. A black pioneer officer who had graduated from West Point , he

2479-404: The ends of the stock down into the bend, 'upsetting' it at the point of the bend. They would then dress the bend by drawing the sides of the bend to keep the correct thickness. The hammering would continue—upsetting and then drawing—until the curve had been properly shaped. In the primary operation was the bend, but the drawing and upsetting are done to refine the shape. Welding is the joining of

2546-593: The first National Historic Landmark was a simple cedar post, placed by the Lewis and Clark Expedition on their 1804 outbound trek to the Pacific in commemoration of the death from natural causes of Sergeant Charles Floyd . The cedar plank was later replaced by a 100 ft (30 m) marble obelisk. The Sergeant Floyd Monument in Sioux City, Iowa , was officially designated on June 30, 1960. NHLs are designated by

2613-548: The following year, it transferred the property to the U.S. Department of Agriculture (USDA), for its Beef Cattle Research Station. After some buildings were demolished in the mid-1950s, efforts were made to preserve the fort as a historic site. In 1955, History Nebraska, formally the Nebraska State Historical Society, began to acquire property on the fort; in 1956, they opened a museum on the site. The USDA closed its operation in 1971, and transferred

2680-621: The fort along with his 1,100 followers on May 6, 1877, and on September 5 that year, he was killed there while resisting imprisonment. A historic plaque marks the site of his death. In January 1879, Chief Morning Star (also known as Dull Knife) led the Northern Cheyenne in an outbreak from the Agency. Because the Cheyenne had refused to return to Indian Territory , where they believed conditions were too adverse for them to survive,

2747-518: The fort's history, including its role guarding the Red Cloud Agency from 1874 to 1877, up through the housing of World War II German POWs from 1943 to 1946. The Trailside Museum of Natural History , operated by the University of Nebraska State Museum , is located in the historic Army Theatre building. Fort Robinson is also home to The Post Playhouse, a professional theatre company that produces live theatre during summer months with creative teams of actors, musicians, and directors assembled from across

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2814-484: The god of blacksmiths, warriors, hunters and others who work with iron is one of the pantheon of Orisha traditionally worshipped by the Yoruba people of Nigeria . Gold , silver , and copper all occur in nature in their native states , as reasonably pure metals – humans probably worked these metals first. These metals are all quite malleable , and humans' initial development of hammering techniques

2881-583: The hammer over the horn or edge of the anvil or by inserting a bending fork into the hardy hole (the square hole in the top of the anvil), placing the work piece between the tines of the fork, and bending the material to the desired angle. Bends can be dressed and tightened, or widened, by hammering them over the appropriately shaped part of the anvil. Some metals are "hot short", meaning they lose their tensile strength when heated. They become like Plasticine : although they may still be manipulated by squeezing, an attempt to stretch them, even by bending or twisting,

2948-450: The handle hole would be punched and drifted (widened by inserting or passing a larger tool through it), the head would be cut (punched, but with a wedge), the peen would be drawn to a wedge, and the face would be dressed by upsetting. As with making a chisel, since it is lengthened by drawing it would also tend to spread in width. A smith would therefore frequently turn the chisel-to-be on its side and hammer it back down—upsetting it—to check

3015-580: The hero known to the Ossetians as Kurdalægon and the Circassians as Tlepsh is a blacksmith and skilled craftsman whose exploits exhibit shamanic features, sometimes bearing comparison to those of the Scandinavian deity Odin . One of his greatest feats is acting as a type of male midwife to the hero Xamyc , who has been made the carrier of the embryo of his son Batraz by his dying wife

3082-403: The hole, rather than drilling it out as swarf . Forging uses seven basic operations or techniques: These operations generally require at least a hammer and anvil , but smiths also use other tools and techniques to accommodate odd-sized or repetitive jobs. Drawing lengthens the metal by reducing one or both of the other two dimensions. As the depth is reduced, or the width narrowed, the piece

3149-419: The hot iron at the anvil (with tongs) in one hand, and indicates where to strike the iron by tapping it with a small hammer in the other hand. The striker then delivers a heavy blow to the indicated spot with a sledgehammer. During the 20th century and into the 21st century, this role has become increasingly unnecessary and automated through the use of trip hammers or reciprocating power hammers. When iron ore

3216-571: The king's daughter, after drugging her with strong beer, and escaped, laughing, on wings of his own making, boasting that he had fathered a child upon her. Seppo Ilmarinen , the Eternal Hammerer, blacksmith and inventor in the Kalevala , is an archetypal artificer from Finnish mythology. Tubal-Cain is mentioned in the book of Genesis of the Torah as the original smith. Ogun ,

3283-532: The metal glows an intense yellow or white. At this temperature the steel is near molten. Any foreign material in the weld, such as the oxides or "scale" that typically form in the fire, can weaken it and cause it to fail. Thus the mating surfaces to be joined must be kept clean. To this end a smith makes sure the fire is a reducing fire: a fire where, at the heart, there is a great deal of heat and very little oxygen. The smith also carefully shapes mating faces so that as they come together foreign material squeezes out as

3350-460: The metal in the fire so he can see it without letting surrounding air contact the surface. (Note that smiths don't always use flux, especially in the UK.) Now the smith moves with rapid purpose, quickly taking the metal from the fire to the anvil and bringing the mating faces together. A few light hammer taps bring the mating faces into complete contact and squeeze out the flux—and finally, the smith returns

3417-412: The metal is joined. To clean the faces, protect them from oxidation, and provide a medium to carry foreign material out of the weld, the smith sometimes uses flux—typically powdered borax, silica sand, or both. The smith first cleans parts to be joined with a wire brush, then puts them in the fire to heat. With a mix of drawing and upsetting the smith shapes the faces so that when finally brought together,

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3484-455: The metal. There is some challenge to this because, to see the color of the metal, the smith must remove it from the fire—exposing it to air, which can rapidly oxidize it. So the smith might probe into the fire with a bit of steel wire, prodding lightly at the mating faces. When the end of the wire sticks on to the metal, it is at the right temperature (a small weld forms where the wire touches the mating face, so it sticks). The smith commonly places

3551-473: The military. In addition, stallions owned by the military were used to breed with local stock to improve it. During the Great Depression , a hobo was murdered on a Chicago & Northwestern freight train within the fort. During World War II , the fort was the site of a K-9 corps training center and a German prisoner-of-war camp . The U.S. Army decided to abandon Fort Robinson in 1947; in

3618-622: The norm. Concurrent with the advent of alphabetic characters in the Iron Age , humans became aware of the metal iron . However, in earlier ages, iron's qualities, in contrast to those of bronze, were not generally understood. Iron artifacts , composed of meteoric iron , have the chemical composition containing up to 40% nickel . As this source of this iron is extremely rare and fortuitous, little development of smithing skills peculiar to iron can be assumed to have occurred. That we still possess any such artifacts of meteoric iron may be ascribed to

3685-408: The other. One form is to heat the end of a rod and then hammer on it as one would drive a nail: the rod gets shorter, and the hot part widens. An alternative to hammering on the hot end is to place the hot end on the anvil and hammer on the cold end. Punching may be done to create a decorative pattern, or to make a hole. For example, in preparation for making a hammerhead, a smith would punch a hole in

3752-561: The property to the state of Nebraska. The Fort Robinson State Park was established in 1956 following the purchase of a parcel of land by the Nebraska Game, Forestation and Parks Commission in 1955. The park was expanded after much of the site was deeded over from the Federal government in 1964. It reached its full size with Nebraska's purchase of the adjoining James Arthur Ranch in 1972. The fort's historic buildings and sites include

3819-442: The same or similar kind of metal. A modern blacksmith has a range of options and tools to accomplish this. The basic types of welding commonly employed in a modern workshop include traditional forge welding as well as modern methods, including oxyacetylene and arc welding . In forge welding, the pieces to join are heated to what is generally referred to as welding heat . For mild steel most smiths judge this temperature by color:

3886-454: The size and shape of the metal's crystals . The hardened bronze can then be ground to sharpen it to make edged tools. Clocksmiths as recently as the 19th century used work hardening techniques to harden the teeth of brass gears and ratchets . Tapping on just the teeth produced harder teeth, with superior wear-resistance. By contrast, the rest of the gear was left in a softer and tougher state, more capable of resisting cracking. Bronze

3953-407: The spread and keep the metal at the correct width. Or, if a smith needed to put a 90-degree bend in a bar and wanted a sharp corner on the outside of the bend, they would begin by hammering an unsupported end to make the curved bend. Then, to "fatten up" the outside radius of the bend, one or both arms of the bend would need to be pushed back to fill the outer radius of the curve. So they would hammer

4020-437: The top of the piece. Then the smith turns the hammer over to use the flat face to hammer the tops of the ridges down level with the bottoms of the indentations. This forces the metal to grow in length (and width if left unchecked) much faster than just hammering with the flat face of the hammer. Heating iron to a "forging heat" allows bending as if it were a soft, ductile metal, like copper or silver. Bending can be done with

4087-492: The water-sprite Lady Isp, who spits it between his shoulder blades, where it forms a womb-like cyst. Kurdalaegon prepares a type of tower or scaffold above a quenching bath for Xamyc, and, when the time is right, lances the cyst to liberate the infant hero Batraz as a newborn babe of white-hot steel , whom Kurdalægon then quenches like a newly forged sword. The Anglo-Saxon Wayland Smith , known in Old Norse as Völundr ,

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4154-417: The work to the fire. The weld begins with the taps, but often the joint is weak and incomplete, so the smith reheats the joint to welding temperature and works the weld with light blows to "set" the weld and finally to dress it to the shape. Depending on the intended use of the piece, a blacksmith may finish it in a number of ways: A range of treatments and finishes can inhibit oxidation and enhance or change

4221-751: Was made for the Salem Maritime National Historic Site on March 17, 1938. In 1960, the National Park Service took on the administration of the survey data gathered under this legislation, and the National Historic Landmark program began to take more formal shape. When the National Register of Historic Places was established in 1966, the National Historic Landmark program was encompassed within it, and rules and procedures for inclusion and designation were formalized. Because listings (either on

4288-717: Was named Camp Robinson in honor of Lt. Levi H. Robinson, who had been killed by Indians while on Indian land in February. In May, the military camp was moved 1.5 miles (2.4 km) west of the agency to its present location; the camp was renamed Fort Robinson in January 1878. Fort Robinson was a base of US military forces and played a major role in the Sioux Wars from 1876 to 1890. The Battle of Warbonnet Creek took place nearby in July 1876. The war chief Crazy Horse surrendered at

4355-635: Was the god of metalworking, fire, and craftsmen. In Celtic mythology , the role of Smith is held by eponymous (their names do mean 'smith') characters : Goibhniu (Irish myths of the Tuatha Dé Danann cycle) or Gofannon (Welsh myths/ the Mabinogion ). Brigid or Brigit, an Irish goddess , is sometimes described as the patroness of blacksmiths. In the Nart mythology of the Caucasus

4422-495: Was the highest-ranking black person in the US Army throughout his career and achieved the rank of colonel. From 1887 to 1898, the fort served as regimental headquarters. The post gymnasium and theatre, built in 1904, provided entertainment for the soldiers. In 1919 at the end of World War I , Fort Robinson became the world's largest quartermaster remount depot . It was used as a breeding and training center for horses and mules for

4489-637: Was undoubtedly applied to these metals. During the Chalcolithic era and the Bronze Age , humans in the Mideast learned how to smelt , melt , cast , rivet , and (to a limited extent) forge copper and bronze. Bronze is an alloy of copper and approximately 10% to 20% Tin . Bronze is superior to just copper, by being harder, being more resistant to corrosion, and by having a lower melting point (thereby requiring less fuel to melt and cast). Much of

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