A tension ring is a type of finger ring that holds a gemstone in place by pressure rather than prongs, a bezel or other mounting. The metal setting is actually spring-loaded to exert pressure onto the gemstone, and tiny etchings or grooves in the metal create a shelf that supports the gemstone's edges. The gemstone appears to be suspended in the air with nothing holding it in place.
94-459: Norfolk Scope is a multi-function complex in Norfolk, Virginia , comprising the 11,000-seat Scope Arena, a 2,500-seat theater known as Chrysler Hall , a 65,000-square-foot (6,000 m) modular exhibition hall, and a 600-car parking garage. The arena was designed by Italian architect/engineer Pier Luigi Nervi in conjunction with the (now defunct) local firm Williams and Tazewell, which designed
188-421: A Mohs hardness of less than 9.0 are not suitable for tension mounting. The term "tension setting" is, from the physical science perspective, a misnomer. The stone is not held in tension (a pulling force) but in fact in compression (a pressing force). A tension ring is a robust assembly, generally exerting around 12,000 pounds per square inch of pressure. To make a tension setting, the manufacturer must harden
282-591: A city. On June 7, 1855, the 183-foot vessel Benjamin Franklin put into Hampton Roads for repairs. The ship had just sailed from the West Indies , where there had been an outbreak of yellow fever . The port health officer ordered the ship quarantined. After eleven days, a second inspection found no issues, so it was allowed to dock. A few days later, the first cases of yellow fever were discovered in Norfolk, and
376-519: A cost of $ 3.5 million in 2014. This would result in additional restrooms and concession stands at the arena. There has been discussion about expanding the Norfolk Scope, by adding 5,000 seats and 24 luxury suites, in the near future, in order to remain competitive with neighboring venues in the southeastern and mid-Atlantic states. In 2018, the city decided to move on from the renovation concept, which would total $ 200 million. In his 2019 State of
470-447: A female householder with no husband present, and 39.8% were non-families. 30.2% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 3.06. The age distribution was 24.0% under the age of 18, 18.2% from 18 to 24, 29.9% from 25 to 44, 16.9% from 45 to 64, and 10.9% who were 65 years of age or older. The median age
564-436: A gem, particularly one of high importance, the maker must ensure even pressure distribution. This requires careful calculation, and inspection of the gem to ensure that every facet mates perfectly with the ring. Tension rings are also manufactured using other metals, particularly those that are naturally strong, such as titanium or stainless steel . These materials do not require special alloying or manufacturing processes for
658-447: A large internal market for slavery. The invention of the cotton gin in the late-eighteenth century had made profitable the cultivation of short-staple cotton in the uplands, which was widely practiced. The American Colonization Society proposed to " repatriate " free blacks and freed slaves to Africa by establishing the new colony of Liberia and paying for transportation. But most African Americans wanted to stay in their birthplace of
752-494: A long history tied to the Chesapeake Bay . The city's revitalization in recent decades has transformed neighborhoods such as Downtown , Ghent and Fairmount Park . Popular residential neighborhoods include Ghent, Colonial Place, Larchmont, North Shore, Edgewater, and Lafayette Shores. Narrative below is based on climate data from the 1991–2020 period. Norfolk has a humid subtropical climate and its USDA Hardiness Zone
846-404: A machinist died from the disease on July 8. By August, several people were dying per day, and a third of the city's population had fled in the hopes of escaping the epidemic. No one understood how the disease was transmitted. With both Norfolk and Portsmouth being infected, New York banned all traffic from those sites. Neighboring cities also banned residents from Norfolk. The epidemic spread through
940-741: A manufacturing plant located on the Elizabeth River that had produced the Model-T, sedans and station wagons before building F-150 pick-up trucks. Before it closed, the plant employed more than 2,600 people at the 2,800,000 sq ft (260,000 m ) facility. Tension ring A major difference between tension settings and other settings is that tension settings are manufactured only after they are sold while other settings are often manufactured first and then sold to consumers. There are several reasons for this difference. First, tension settings can not be resized easily, as resizing removes
1034-469: A policy of " massive resistance ". (At this time, most black citizens were still disfranchised under the state's turn-of-the-century constitution and discriminatory practices related to voter registration and elections.) The Virginia General Assembly prohibited state funding for integrated public schools. In 1958, United States district courts in Virginia ordered schools to open for the first time on
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#17327909325681128-670: A racially integrated basis. In response, Governor J. Lindsay Almond ordered the schools closed. The Virginia Supreme Court of Appeals declared the state law to be in conflict with the state constitution and ordered all public schools to be funded, whether integrated or not. About ten days later, Almond capitulated and asked the General Assembly to rescind several "massive resistance" laws. In February 1959, seventeen black children entered six previously segregated Norfolk public schools. Virginian-Pilot editor Lenoir Chambers editorialized against massive resistance and earned
1222-400: A result of a manufacturing defect. There is a risk that the setting can be compromised by a high impact. This, however, is also true of prong settings, and cases of prongs failing and stones falling out are common. Tension settings on the other hand do not need to be replaced, and unless the spring-loading is damaged, are unlikely to lose a gem stone. Some rings, while advertised as and having
1316-416: A simple construction. In the early nineteenth century, Neoclassical architectural elements began to appear in the federal style row homes, such as ionic columns in the porticoes and classic motifs over doorways and windows. Many Federal-style row houses were modernized by placing a Greek-style porch at the front. Greek and Roman elements were integrated into public buildings such as the old City Hall,
1410-503: A sports complex in Norfolk. Subsequently, President Lyndon B. Johnson asked Robertson to support federal funding for a multimillion-dollar cultural center in Colorado , and Robertson said he would if Johnson would support one in Norfolk. Williams and Tazewell was subsequently commissioned; they in turn commissioned Nervi. The complex was an important part of the first phase of Norfolk's post-World War II revitalization. A large section of
1504-412: A stone can potentially be dislodged from a tension setting if it is hit hard enough or if the setting is damaged to the point where its spring loading is compromised. Tension manufacturers partially agree with this statement, warning their customers that stones can be lost if the setting suffers a blunt force impact that damages the spring-loading, but they also point out that no stone has ever been lost as
1598-801: A suburb. Additionally, Norfolk is part of the Virginia Beach-Norfolk, VA-NC Combined Statistical Area , which includes the Virginia Beach-Norfolk-Newport News, VA-NC MSA, the Elizabeth City, North Carolina Micropolitan Statistical Area , and the Kill Devil Hills, NC Micropolitan Statistical Area. The CSA is the 32nd largest in the nation with an estimated population in 2013 of 1,810,266. In addition to extensive riverfront property, Norfolk has miles of bayfront resort property and beaches in
1692-566: A town until the 1700s. When the establishment of the House of Burgesses introduced representative government to the colony in 1619, governor Sir George Yeardley divided the developed portion the colony into four incorporated jurisdictions, termed citties. The land on which Norfolk now sits fell under Elizabeth Cittie incorporation. In 1634 King Charles I reorganized the colony into a system of shires , and Elizabeth Cittie became Elizabeth City Shire . After persuading 105 people to settle in
1786-648: Is 8a. Spring arrives in March with mild days and cool nights, and by late May, the temperature has warmed up considerably to herald warm summer days. Summers are consistently warm and humid, but the nearby Atlantic Ocean often exercises a slight cooling effect on daytime high temperatures, but a slight warming effect on nighttime low temperatures (compared to areas farther inland). As such, temperatures reach 90 °F (32 °C) or higher on an average 35 days annually, and 100 °F (37.8 °C) are uncommon, occurring in fewer than one-third of all years. On average, July
1880-689: Is a major military center, particularly for the United States Navy , and Norfolk serves as the home for Naval Station Norfolk , the world's largest naval installation. Located on Sewell's Point Peninsula , in the northwest corner of the city, the station is the headquarters of the United States Fleet Forces Command (formerly known as the Atlantic Fleet), which compromises over 62,000 active-duty personnel, 75 ships, and 132 aircraft. The base also serves as
1974-665: Is attributable to increases in defense spending. After the military, the second largest and most important industry for Hampton Roads and Norfolk based on economic impact are the region's cargo ports. Headquartered in Norfolk, the Virginia Port Authority (VPA) is a Commonwealth of Virginia owned entity that, in turn, owns and operates three major port facilities in Hampton Roads for break-bulk and container type cargo. In Norfolk, Norfolk International Terminals (NIT) represents one of those three facilities and
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#17327909325682068-587: Is home to the world's largest and fastest container cranes. Together, the three terminals of the VPA handled a total of over 2 million TEUs and 475,000 tons of breakbulk cargo in 2006, making it the second busiest port on the east coast of North America by total cargo volume after the Port of New York and New Jersey. In addition to NIT, Norfolk is home to the Lambert's Point docks, the largest coal trans-shipment point in
2162-416: Is that both ring designs have weaknesses that are unique to their engineering process. Prongs can snag on clothes and other loose objects, and they weaken with time and usage. As a result, prongs must be repaired or replaced periodically. On the other hand, tension settings do not lose their spring-loading over time, so the stone does not fall out as a result of the setting weakening. Critics do contend that
2256-439: Is the 37th-largest metropolitan area in the U.S., with ten cities. Norfolk was incorporated in 1705. Bordered to the west by the Elizabeth River and to the north by the Chesapeake Bay , the city shares land borders with the independent cities of Chesapeake to its south and Virginia Beach to its east. With coastline along multiple bodies of water, Norfolk has many miles of riverfront and bayfront property, including beaches on
2350-422: Is the warmest month, with a normal mean temperature of 81.1 °F (27.3 °C). On average, July and August are the wettest months, due to frequent summer thunderstorm activity. In August and September, rainfall remains high, due to rising frequency of tropical activity (hurricanes and tropical storms), which can bring high winds and heavy rains. These usually brush Norfolk and only occasionally make landfalls in
2444-400: Is very vulnerable to sea level rise , with water levels expected to rise by more than 5.5 feet (1.7 meters) by the end of the 21st century. The city has a long history as a strategic military and transportation point, where many railroad lines started. It is linked to its neighbors by an extensive network of interstate highways , bridges , tunnels , and three bridge-tunnel complexes. In
2538-477: The 2020 census , Norfolk had a population of 238,005, making it the third-most populous city in Virginia after neighboring Virginia Beach and Chesapeake , and the 96th-most populous city in the nation . Norfolk holds a strategic position as the historical, urban, financial, and cultural center of the Hampton Roads region (sometimes called " Tidewater "), which has more than 1.8 million inhabitants and
2632-704: The American Revolution but were insufficient to allow the Royal Governor of Virginia John Murray, 4th Earl of Dunmore to make Norfolk his new capital after fleeing Williamsburg in 1775. On New Year's Day, 1776, Lord Dunmore's fleet of three ships shelled the city of Norfolk for more than eight hours. The gunfire, combined with fires started by the British and spread by the Patriots, destroyed more than 800 buildings, constituting nearly two-thirds of
2726-641: The Battle of Fort Sumter , another vote occurred on April 17, where Blow voted for secession, the vote passed and Virginia seceded from the Union . In the spring of 1862, the Battle of Hampton Roads took place off the northwest shore of the city's Sewell's Point Peninsula , marking the first fight between two ironclads , the USS Monitor and the CSS Virginia . The battle ended in a stalemate but changed
2820-565: The Mid-Eastern Athletic Conference (MEAC) men's and women's basketball conference championship tournaments since 2013. 36°51′11.79″N 76°17′12.20″W / 36.8532750°N 76.2867222°W / 36.8532750; -76.2867222 Norfolk, Virginia Norfolk ( locally / ˈ n ɔːr f ʊ k / NOR -fuuk ) is an independent city in Virginia , United States. As of
2914-495: The Pulitzer Prize for Editorial Writing . With new suburban developments beckoning, many white middle-class residents moved out of the city along new highway routes, and Norfolk's population declined, a pattern repeated in numerous cities during the postwar era independently of segregation issues. In the late-1960s and early-1970s, the advent of newer suburban shopping destinations along with freeways spelled demise for
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3008-478: The Willoughby Spit and Ocean View communities. Being low-lying and largely surrounded by water, Norfolk is particularly vulnerable to rising sea levels caused by climate change . In addition, the land on which it is built is slowly subsiding . Some areas already flood regularly at high tide, and the city commissioned a study in 2012 to investigate how to address the issue in the future: it reported
3102-501: The "Towne of Lower Norfolk County" in 1680. In 1691, a final county subdivision took place when Lower Norfolk County split to form Norfolk County (included in present-day cities of Norfolk, Chesapeake , and parts of Portsmouth ) and Princess Anne County (present-day Virginia Beach ). Norfolk was incorporated in 1705. In 1730, a tobacco inspection site was located here. According to the Tobacco Inspection Act ,
3196-423: The 18 karat blend were non traditional jewelry metals, used to give the ring much greater strength than normal. In 1987, Steven Kretchmer patented a proprietary platinum alloy called "Plat/SK". This has since been licensed to other companies, for example Hoover & Strong, who require a super hard platinum alloy for jewelry such as tension set rings. Steven Kretchmer's advancements in the alloying of metals allowed
3290-625: The 1970s on, many times as a pay-per-view event. The biggest was Starrcade '88 in December 1988. The venue also hosted WCW 's Starrcade 1991 PPV & World War 3 PPV in November 1995 and 1996, featuring the 3 ringed battle royal. On April 27, 1998, during the Monday Night War , professional wrestling stable D-Generation X drove a jeep up to the doors of the venue during an episode of WCW Monday Nitro . The arena has hosted
3384-531: The 87th most dangerous city larger than 75,000 inhabitants. In 2010, 4,727 people of Filipino ancestry lived in Norfolk. Chinese immigration occurred after 1885, and in 1995 300 families were members of the Chinese Community Association. Since Norfolk serves as the commercial and cultural center for the unusual geographical region of Hampton Roads (and in its political structure of independent cities), it can be difficult to separate
3478-546: The Chesapeake Bay. The coastal zones are important for the economy. The largest naval base in the world, Naval Station Norfolk , is located in Norfolk along with one of NATO 's two Strategic Command headquarters . Additionally, Norfolk is an important contributor to the Port of Virginia . It is home to Maersk Line, Limited , which manages the world's largest fleet of US-flag vessels . This low-lying coastal infrastructure
3572-517: The City address, Norfolk mayor Kenny Alexander announced plans to study the possibility of building a new arena, in a not yet named location. In March 2024, the city once again considered renovating Scope and potentially adding more seats. National Wrestling Alliance , Jim Crockett Promotions , World Championship Wrestling and World Wrestling Entertainment had wrestling shows in Scope many times from
3666-581: The City of Norfolk), chiefly on Thoroughgood's recommendation. This area of Virginia became known as the place of entrepreneurs, including men of the Virginia Company of London . Norfolk developed in the late-seventeenth century as a "Half Moone" fort was constructed and 50 acres (200,000 m ) were acquired from local natives of the Powhatan Confederacy in exchange for 10,000 pounds of tobacco. The House of Burgesses established
3760-530: The Niessing Spannring, was created in 1979 by the German company Niessing. However, the general concept of tension settings has been around for over 40 years as it was developed in the late 1960s by a Niessing employee named Friedrich Becker. The original Niessing tension ring was constructed out of 18 karat gold (75% pure gold and 25% other alloying metals) and weighed 35 grams. The alloys in
3854-569: The Northern Hemisphere, with an annual capacity of approximately 48,000,000 tons. Bituminous coal is primarily sourced from the Appalachian mountains in western Virginia, West Virginia , and Kentucky . The coal is loaded onto trains and sent to the port where it is unloaded onto large breakbulk cargo ships and destined for New England, Europe, and Asia. Between 1925 and 2007, Ford Motor Company operated Norfolk Assembly ,
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3948-817: The Peninsula , Portsmouth , and Virginia Beach . In 1952, the Downtown Tunnel opened to connect Norfolk with the city of Portsmouth. The highways also stimulated the development of new housing suburbs, leading to the population spreading out. Additional bridges and tunnels included the Hampton Roads Bridge-Tunnel in 1957, the Midtown Tunnel in 1962, and the Virginia Beach-Norfolk Expressway ( Interstate 264 and State Route 44 ) in 1967. In 1991,
4042-481: The Post Office building downtown. Art Deco consisted of streamlined concrete faced appearance with smooth stone or metal, with terracotta , and trimming consisting of glass and colored tiles . Norfolk has a variety of historic neighborhoods, notably Freemason and West Freemason. Some neighborhoods, such as Berkley , were formerly cities and towns. Others, including Willoughby Spit and Ocean View , have
4136-556: The Revolutionary War's burning, Norfolk and its citizens struggled to rebuild. In 1804, another serious fire along the city's waterfront destroyed some 300 buildings and the city suffered a serious economic setback. In the War of 1812 between America and Great Britain, Norfolk saw action between American militia led by Richard Lawson and the British navy. On July 13, 1813. A British landing party of 8 marines and 16 sailors landed at
4230-456: The Tidewater, where it had been the primary commodity crop for generations. Virginia made some attempts to phase out slavery and manumissions increased in the two decades following the war. Thomas Jefferson Randolph gained passage of an 1832 resolution for gradual abolition in the state. However, by that time the increased demand from the settlement of the lower South states had created
4324-568: The US Navy's Norfolk Naval Shipyard is just across the Downtown Tunnel in Portsmouth . Most contracts fulfilled by these shipyards are issued by the Navy, though some private commercial repair also takes place. Over 35% of Gross Regional Product (which includes the entire Norfolk-Newport News-Virginia Beach MSA), is attributable to defense spending, and that 75% of all regional growth since 2001
4418-556: The US prepared to enter World War I , the Naval Air Station Hampton Roads had been constructed on the former exposition grounds. In the first half of the twentieth century, the city of Norfolk expanded its borders through annexation. In 1906, the city annexed the incorporated town of Berkley , making the city cross the Elizabeth River . In 1923, the city expanded to include Sewell's Point, Willoughby Spit ,
4512-561: The United States and achieve freedom and rights there. For a period, many emigrants to Liberia from Virginia and North Carolina embarked from the port of Norfolk. Joseph Jenkins Roberts , a free person of color native to Norfolk, emigrated via the American Colonization Society and later was elected as the first president of Liberia , establishing a powerful family. In 1845, Norfolk was incorporated as
4606-483: The adjacent Chrysler Hall, a music and theater venue, home to the Virginia Symphony Orchestra . The arena's seating can be reconfigured to accommodate from 10,253 for sporting events up to 13,800 for concerts. With a concrete monolithic dome measuring 440 feet (130 m) in diameter and a height of 110 feet (34 m), the dome was, at the time of its construction, the largest of its kind in
4700-404: The appearance of tension rings, in fact have a bridge holding the ring together underneath the jewel. These are not true examples of a tension set ring, but are a good affordable alternative to true tension settings. Though the wearer knows it is not a true tension setting, it looks like one to the casual observer. This is also a good option for a mass produced ring. The first tension ring, called
4794-526: The area; the highest-risk period is mid-August to the end of September. Fall is marked by mild to warm days and cooler nights. Winter is usually mild in Norfolk, with average winter days featuring lows near or slightly above freezing and highs in the upper-40s to mid-50s (8 to 13 °C). On average, the coldest month of the year is January, with a normal mean temperature of 42.2 °F (5.7 °C), Snow occurs sporadically, with an average winter accumulation of 6.2 in (15.7 cm). Norfolk's record high
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#17327909325684888-492: The beaches of Norfolk to construct a well and gather water. Richard Lawson concealed his company of militia behind a benign looking sandhill. Richard Lawson and his militia sprang their ambush by opening fire from their concealment behind the Sandhills. The British landing party who suffered 3 marines killed surrendered. Richard Lawson who suffered none killed had his militia destroy the British boat, take all provisions, and take
4982-527: The brass cannon. The American militia under Lawson returned to town with their prisoners. During the 1820s, agrarian communities across the American South suffered a prolonged recession, which caused many families to migrate to other areas. Many moved west into the Piedmont , or further into Kentucky and Tennessee . This migration also followed the exhaustion of soil due to tobacco cultivation in
5076-619: The city via mosquitoes and poor sanitation, affecting every family and causing widespread panic. The number of infected reached 5,000 in September, and by the second week, 1,500 had died in Norfolk and Portsmouth. As the weather cooled, the outbreak began to wane, leaving a final tally of about 3,200 dead. It took the city some time to recover. On April 4, 1861, Norfolk city delegate to the Virginia Secession Convention , George Blow, voted against secession. Following
5170-460: The city was $ 17,372. About 15.5% of families and 19.4% of the population were below the poverty line , including 27.9% of those under age 18 and 13.2% of those ages 65 or over. For the year of 2007, Norfolk had a total crime index of 514.7 per 100,000 residents. This was above the national average of 320.9 that year. For 2007, the city experienced 48 homicides, for a murder rate of 21.1 per 100,000 residents. Total crime had decreased when compared to
5264-483: The city was 47.1% White , 43.1% African American , 0.5% Native American , 3.3% Asian , 0.2% Pacific Islander , 2.2% from other races , and 3.6% from two or more races. Hispanics or Latinos of any race were 6.6% of the population. Non-Hispanic Whites were 44.3% of the population in 2010, down from 68.5% in 1970. There were 86,210 households, out of which 30.3% had children under the age of 18 living with them, 36.9% were married couples living together, 18.8% had
5358-476: The city's downtown was razed, and the Scope complex was to "anchor" its northern corner, with the Vincent Kling designed courthouse and civic complex anchoring the eastern edge of downtown. The arena is located on its 14-acre (5.7 ha) site above a raised plinth , below which is located a parking garage for 640 cars. The facility includes a 65,000 sq ft (6,000 m) exhibit hall as well as
5452-402: The city's water table. The roof is a ribbed concrete dome, independent of seating bowl formed of sloped concrete beams supporting precast treads and risers which form the seating bowl. The perimeter of the dome roof is supported by a combination of vertical columns and inclined buttresses, which tie into a tension ring below ground. A concentric ring, approximately 7' 9" wide, is suspended from
5546-499: The city. Patriot forces destroyed the remaining buildings for strategic reasons the following month. Ultimately, Colonel Woodford drove Dunmore into exile, ending more than 168 years of British rule in Virginia. Only the walls of Saint Paul's Episcopal Church survived the bombardment and subsequent fires. A cannonball from the bombardment (fired by the Liverpool ) remains within the wall of Saint Paul's. Following recovery from
5640-633: The colony, Adam Thoroughgood (who had immigrated to Virginia in 1622 from King's Lynn , Norfolk , England ) was granted a large land holding, through the head rights system, along the Lynnhaven River in 1636. When the South Hampton Roads portion of the shire was separated, Thoroughgood suggested the name of his birthplace for the newly formed New Norfolk County . One year later, it was divided into two counties, Upper Norfolk and Lower Norfolk (the latter now incorporated into
5734-560: The cost of dealing with a sea-level rise of one foot would be around $ 1,000,000,000. Since then, scientists at the Virginia Institute of Marine Science in 2013 have estimated that if current trends hold, the sea in Norfolk will rise by 5 and 1/2 feet or more by the end of this century. When Norfolk was first settled, homes were made of wood and frame construction, similar to most medieval English-style homes. These homes had wide chimneys and thatch roofs . Some decades after
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#17327909325685828-856: The cost, and when it opened formally on November 12, 1971, the structure was the second-largest public complex in Virginia , behind only the Pentagon . Featuring the world's largest reinforced thinshell concrete dome (though eclipsed by the Seattle Kingdome from 1976 to 2000), Scope won the Virginia Society of the American Institute of Architects Test of Time award in 2003. Wes Lewis, director of Old Dominion University 's civil engineering technology program, called it "a beautiful marrying of art and engineering." Noted architectural critic James Howard Kunstler described
5922-585: The counties of Gloucester , Isle of Wight , James City , Mathews , and York , as well as the North Carolina counties of Currituck and Gates . The city of Norfolk is recognized as the central business district, while the Virginia Beach oceanside resort district and Williamsburg are primarily centers of tourism. Virginia Beach is the most populated city within the MSA though it functions more as
6016-496: The course of naval warfare; from then on, warships were fortified with metal. In May 1862, Norfolk Mayor William Lamb surrendered the city to Union General John E. Wool and his forces. They held the city under martial law for the duration of the Civil War. Thousands of slaves from the region escaped to Union lines to gain freedom; they quickly set up schools in Norfolk to start learning how to read and write, years before
6110-605: The creation of a tension ring. In these cases, a stone can be set as-cast with relative ease. These materials are usually used for "fashion" jewelry, and are set with small diamonds or semi-precious gems such as topaz or tourmaline. However, there is a growing group of artists using titanium to produce high value handmade tension rings There are conflicting perspectives regarding the security of tension settings. Many jewelers contend that tension settings are as safe and potentially safer than four and six prong settings, but there are others who contend that prongs are stronger. The reality
6204-443: The customer has selected a gem. Unlike other settings, which can be manufactured ahead of time regardless of the stone they ultimately hold, each tension setting is designed for a specific stone. The tension setting is calibrated by a computer, using light to identify the exact places the mount must apply pressure on the gemstone to avoid fracturing it through uneven pressure distribution. Because tension settings place such pressure on
6298-620: The design as looking like "yesterday's tomorrow." The name "Scope", a contraction of kaleidoscope , emphasizes the venue's re-configurability. The facility logo (right), which features a multi-colored, abstracted kaleidoscope image, was designed by Raymond Loewy 's firm Loewy/Snaith of New York. After watching the 1960 Rome Summer Olympics on television, and seeing the Palazzo dello Sport and Palazzetto dello Sport , Brad Tazewell and Jim Williams, two Norfolk architects, solicited Senator A. Willis Robertson , father of Pat Robertson , to build
6392-613: The dome, for service and lighting needs. During preparations for the first hosting of the Ringling Bros. and Barnum & Bailey Circus , a bear escaped its cage and ran across the wet paint on the floor of the unfinished Exhibition Hall below. During the first presentation in the Exhibition Hall of the Hampton Roads Automobile Show, visitors could spot bear tracks in the painted floor, between
6486-540: The economic characteristics of Norfolk from that of the region as a whole. The waterways which almost completely surround the Hampton Roads region play an important part in the local economy. As a strategic location at the mouth of the Chesapeake Bay , its protected deep-water channels serve as a major trade artery for the import and export of goods from across the Mid-Atlantic , Mid-West , and internationally. In addition to commercial activities, Hampton Roads
6580-821: The end of the war. 1907 brought both the Virginian Railway and the Jamestown Exposition to Sewell's Point . The large Naval Review at the Exposition demonstrated the peninsula's favorable location and laid the groundwork for the world's largest naval base. Southern Democrats in Congress gained its location here. Commemorating the tricentennial anniversary of the founding of Jamestown, the exposition featured many prominent officials, including President Theodore Roosevelt , members of Congress , and diplomats from twenty-one countries. By 1917, as
6674-579: The entire complex. Nervi's design for the arena's reinforced concrete dome derived from the PalaLottomatica and the much smaller Palazzetto dello Sport , which were built in the 1950s for the 1960 Summer Olympics in Rome . Construction on Scope began in June 1968 at the northern perimeter of Norfolk's downtown and was completed in 1971 at a cost of $ 35 million. Federal funds covered $ 23 million of
6768-427: The exhibitions. (Source: The Virginian-Pilot ) The arena has undergone $ 11 million of renovations since 2003, including the replacement of a center-hung scoreboard with a matrix screen on each side with a center-hung scoreboard with LED video and matrix boards and two LED end-zone videoboards in 2008. A new glass wall has been installed, and is expected to be extended in order to expand the arena's main concourse at
6862-516: The fortunes of downtown's Granby Street commercial corridor, located just a few blocks inland from the waterfront. The opening of malls and large shopping centers drew off retail business from Granby Street. People for the Ethical Treatment of Animals (PETA) has been based in Norfolk since 1996. Norfolk's city leaders began a long push to revive its urban core . While Granby Street underwent decline, Norfolk city leaders focused on
6956-564: The headquarters to NATO 's Allied Command Transformation . The region also plays an important role in defense contracting, with particular emphasis in the shipbuilding and ship repair businesses for the city of Norfolk. Major private shipyards located in Norfolk or the Hampton Roads area include: Huntington Ingalls Industries (formerly Northrop Grumman Newport News) in Newport News, BAE Systems Norfolk Ship Repair , General Dynamics NASSCO Norfolk, and Colonna's Shipyard Inc., while
7050-646: The inspection was "At Norfolk Town, upon the fort land, in the County of Norfolk; and Kemp's Landing , in Princess Anne, under one inspection." In 1736 George II granted it a royal charter as a borough. It was an important port for exporting goods to the British Isles and beyond. Mercantile ties with the British Empire bolstered Norfolk's base of Loyalist support during the early part of
7144-604: The junction of the Elizabeth River and the Chesapeake Bay . The Hampton Roads Metropolitan Statistical Area (officially known as the Virginia Beach-Norfolk-Newport News, VA-NC MSA ) is the 37th largest in the United States, with an estimated population of 1,716,624 in 2014. The area includes the Virginia cities of Norfolk, Virginia Beach , Chesapeake , Hampton , Newport News , Poquoson , Portsmouth , Suffolk , Williamsburg , and
7238-554: The late nineteenth century when structures such as the current Commodore Maury Hotel and the Royster Building were constructed to form the initial Norfolk skyline. Past styles were revived during the early years of the twentieth century. Bungalows and apartment buildings became popular for those living in the city. As the Great Depression wore on, Art Deco emerged as a popular building style, as evidenced by
7332-618: The late sixteenth century, the area that is now Norfolk was inhabited by the Chesepian people, who referred to the land as "K'che-sepi-ack." According to historical accounts from William Strachy, the Chesepian settlements were destroyed by the Powhatan shortly before the establishment of Jamestown in 1607. Norfolk's lands were some of the first to draw settlers from the Virginia Colony , although Norfolk would not be incorporated as
7426-430: The metal, use special alloys, and pressure treat the metal to create the strength required for the spring-loaded structure. The jeweler cold-works and hardens the metal before setting the gem. Some tension rings exert up to 50,000 psi (350 MPa ) on the diamond. It is not possible to exert so great a pressure on a stone with a Mohs scale of mineral hardness rating of less than 9.0. Furthermore, to exert this pressure on
7520-401: The modern day tension ring to lose much of its weight without sacrificing strength. Currently, Steven Kretchmer holds two patents (5,084,108 and 5,188,679) for the tension-set ring. Patent 5,084,108, issued January 28, 1992, is for a method for forming metal compression-spring gemstone mounting. Patent 5,188,679 is for the actual metal compression-spring gemstone mounting, i.e., the outcome of
7614-604: The new Downtown Tunnel / Berkley Bridge complex opened a new system of multiple lanes of highway and interchanges connecting Downtown Norfolk and Interstate 464 with the Downtown Tunnel tubes. In 1954 the Supreme Court ruled in Brown v. Board of Education that segregated public schools were unconstitutional , as the public system was supported by all taxpayers. It ordered integration , but Virginia pursued
7708-595: The old Norfolk Academy, and the Customs House. Greek-style homes gave way to Gothic Revival in the 1830s, which emphasized pointed arches , steep gable roofs, towers and tracer-lead windows. The Freemason Baptist Church and St. Mary's Catholic Church are examples of Gothic Revival. Italianate elements emerged in the 1840s including cupolas , verandas , ornamental brickwork , or corner quoins . Norfolk still had simple wooden structures among its more ornate buildings. High-rise buildings were first built in
7802-430: The park was named the finest facility in minor league baseball by Baseball America . Norfolk's efforts to revitalize its downtown have attracted acclaim from economic development and urban planning circles throughout the country. Downtown's rising fortunes helped to expand the city's revenues and allowed the city to direct attention to other neighborhoods. The city is located at the southeastern corner of Virginia at
7896-410: The spring-loading effect. In some designs, they can be resized up or down up to 2 sizes. Sometimes, instead of resizing a tension setting, the manufacturer actually melts down the old setting and creates a new spring-loaded tension setting that is appropriately sized. Second, tension settings are calibrated to the exact specifications of the stone that they hold, therefore they cannot be manufactured until
7990-430: The stone, only four types of gemstone can be placed in a tension setting safely: diamonds, rubies, moissanite, and sapphires. Additionally, tension setting manufacturers must be careful which stones they place in tension settings. A stone that either has significant inclusions or is too soft may fracture under the intense pressure of the setting. The Mohs scale is a reliable way to rank a gem's hardness. Generally gems with
8084-682: The town of Campostella, and the Ocean View area. The city included the Navy Base and miles of beach property fronting on Hampton Roads and the Chesapeake Bay . After a smaller annexation in 1959, and a 1988 land swap with Virginia Beach , the city assumed its current boundaries. The establishment of the Interstate Highway System following World War II brought new highways to the region. A series of bridges and tunnels, constructed during fifteen years, linked Norfolk with
8178-576: The town was first laid out in 1682, the Georgian architectural style , which was popular in the South at the time, was used. Brick was considered more substantial construction; patterns were made by brick laid and Flemish bond . This style evolved to include projecting center pavilions, Palladian windows, balustraded roof decks, and two-story porticoes . By 1740, homes, warehouses, stores, workshops, and taverns began to dot Norfolk's streets. Norfolk
8272-705: The waterfront and catalyze further downtown redevelopment. Waterside was redeveloped in 2017. Additionally, the waterfront area hosts the Nauticus maritime museum and science center , Hampton Roads Naval Museum , Half-Moone Cruise and Celebration Center , and the USS Wisconsin . Other facilities opened in the ensuing years, including the Harbor Park baseball stadium, home of the Norfolk Tides Triple-A minor league baseball team. In 1995,
8366-458: The waterfront and its collection of decaying piers and warehouses. Many obsolete shipping and warehousing facilities were demolished. In their place, planners created a new boulevard, Waterside Drive, along which many of the high-rise buildings in Norfolk's skyline have been erected. In 1983, the city and The Rouse Company developed the Waterside festival marketplace to attract people back to
8460-436: The world — and was displaced as the record holder after the construction of the Seattle Kingdome . After the demolition of the larger Kingdome in 2000, Scope reclaimed the title as having the world's largest reinforced thin-shell concrete dome . Supported by 24 flying buttresses , the arena roof encloses 85,000 sq ft (7,900 m). With over 1,000 pilings, the facility was constructed 10 feet (3.0 m) below
8554-638: The year 2000, which the city had a total crime index of 546.3. The highest murder rate Norfolk has experienced for the 21st century was in 2005 when its rate was 24.5 per 100,000 residents. For the year 2007 per 100,000, Norfolk experienced 21.1 murders, 42.6 rapes, 399.3 robberies, 381.3 assaults, 743.3 burglaries, and 450.6 automobile thefts. According to the Congressional Quarterly Press '2008 City Crime Rankings: Crime in Metropolitan America, Norfolk, Virginia, ranked as
8648-476: Was 105 °F (41 °C) on August 7, 1918, and July 24 and 25, 2010, and the record low was −3 °F (−19 °C) recorded on January 21, 1985 . As of the census of 2010, there were 242,803 people, 86,210 households, and 51,898 families residing in the city. The population density was 4,362.8 people per square mile (1,684.5 people/km ). There were 94,416 dwelling units at an average density of 1,757.3 per square mile (678.5/km ). The racial makeup of
8742-438: Was 30 years. For every 100 females, there were 104.6 males. For every 100 females aged 18 and over, there were 104.8 males. This large gender imbalance is due to the military presence in the city, most notably Naval Station Norfolk. The median income for a household in the city was $ 31,815, and the median income for a family was $ 36,891. Males had a median income of $ 25,848 versus $ 21,907 for females. The per capita income for
8836-761: Was burned down during the Revolutionary War . After the Revolution , Norfolk was rebuilt in the Federal style, based on Roman ideals. Federal-style homes kept Georgian symmetry, though they had more refined decorations to look like New World homes. Federal homes had features such as narrow sidelights with an embracing fanlight around the doorway, giant porticoes, gable or flat roofs, and projecting bays on exterior walls. Rooms were oval, elliptical or octagonal. Few of these federal rowhouses remain standing today. A majority of buildings were made of wood and had
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