124-617: The Illinois State Capitol , located in Springfield, Illinois , houses the legislative and executive branches of the government of the U.S. state of Illinois . Becoming the seat of the legislature in 1876, the current building is the sixth to serve as the capitol building since Illinois was admitted to the United States in 1818. Built in the architectural styles of the French Renaissance and Italianate , it
248-587: A "Chart for determining the number and size of elevators required for office buildings of a given total occupied floor area". In 1920, Howard B. Cook presented a paper titled "Passenger Elevator Service". This paper marked the first time a member of the elevator industry offered a mathematical means of determining elevator service. His formula determined the round trip time (RTT) by finding the single trip time, doubling it, and adding 10 seconds. In 1923, Bassett Jones published an article titled "The Probable Number of Stops Made by an Elevator". He based his equations on
372-659: A Democratic region. He chiefly studied poll books for presidential years. The rise of the Whig Party took place in 1836 in opposition to the presidential candidacy of Martin Van Buren and was consolidated in 1840. Springfield Whigs tend to validate several expectations of party characteristics as they were largely native-born, either in New England or Kentucky, professional or agricultural in occupation, and devoted to partisan organization. Abraham Lincoln's career reflects
496-541: A building is at its most busy first thing in the morning; however, in more complicated elevator systems, this model does not work. In 1990, Peters published a paper titled "Lift Traffic Analysis: Formulae for the General Case" in which he developed a new formula which would account for mixed traffic patterns as well as accounting for passenger bunching using Poisson approximation. This new General Analysis equation enabled much more complex systems to be analyzed however
620-465: A building with the prestige of the State Capitol. Electric elevators were later installed sometime before 1939 when the state legislature appropriated $ 30,000 for their repair. In the second decade of the 21st century in 2011, the then 123 year old Capitol underwent a $ 50 million renovation and updating project. It was primarily focused on the west wing, to upgrade its life safety, complying with
744-1023: A common occurrence throughout the spring and summer. From 1961 to 1990 the city of Springfield averaged 35.25 inches (895 mm) of precipitation per year. During that same period the average yearly temperature was 52.4 °F (11.3 °C), with a summer maximum of 76.5 °F (24.7 °C) in July and a winter minimum of 24.2 °F (−4.3 °C) in January. From 1971 to 2000, NOAA data showed that Springfield's annual mean temperature increased slightly to 52.7 °F (11.5 °C). During that period, July averaged 76.3 °F (24.6 °C), while January averaged 25.1 °F (−3.8 °C). From 1981 to 2010, NOAA data showed that Springfield's annual mean temperature increased slightly to 53.1 °F (11.7 °C). During that period, July averaged 76.0 °F (24.4 °C), while January averaged 26.9 °F (−2.8 °C). From 1991 to 2020, NOAA's latest dataset showed
868-411: A continued increase in the annual mean to 54.0 °F (12.2 °C). During that period, July averaged 76.5 °F (24.7 °C), while January averaged 27.9 °F (−2.3 °C). On June 14, 1957, a tornado hit Springfield, killing two people. On March 12, 2006, the city was struck by two F2 tornadoes . The storm system which brought the two tornadoes hit the city around 8:30pm; no one died as
992-451: A cylindrical piston like a jack . Elevators are used in agriculture and manufacturing to lift materials. There are various types, like chain and bucket elevators , grain augers , and hay elevators . Modern buildings often have elevators to ensure accessibility, especially where ramps aren't feasible. High-speed elevators are common in skyscrapers . Some elevators can even move horizontally. The earliest known reference to an elevator
1116-426: A deeply grooved pulley , commonly called a sheave in the industry. The weight of the car is balanced by a counterweight . Oftentimes two elevators (or sometimes three) are built so that their cars always move synchronously in opposite directions, and are each other's counterweight. The friction between the ropes and the pulley furnishes the traction which gives this type of elevator its name. Hydraulic elevators use
1240-685: A far larger amount almost four times greater than the first phase, now of $ 224 million and will possibly continue with double the previous time, now estimated for four years until 2025. Like the earlier first work phase in the west wing, this will focus on updating utilities infrastructure of fire protection systems, mechanical, electrical and heating / cooling (HVAC) climate systems and making additional areas as A.D.A. Act recommended handicapped accessible. The scheduled work will also remove now undesirable asbestos substances first installed decades before, and add an additional underground parking garage (to remove outside campus unsightly car parking lots returning
1364-461: A floor at the same time, are usually driven by the same motor. The system increases efficiency in high-rise buildings, and saves space so additional shafts and cars are not required. In 2003, TK Elevator invented a system called TWIN, with two elevator cars independently running in one shaft. In 1901, consulting engineer Charles G. Darrach (1846–1927) proposed the first formula to determine elevator service. In 1908, Reginald P. Bolton published
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#17327795323881488-497: A historic landmark of Illinois and American history, designated as the Old State Capitol State Historic Site . Springfield, Illinois Springfield is the capital city of the U.S. state of Illinois and the seat of Sangamon County . The city's population was 114,394 at the 2020 census , which makes it the state's seventh-most populous city , the second-most populous outside of
1612-424: A household in the city was $ 39,388, and the median income for a family was $ 51,298. Families with children had a higher income of about $ 69,437. Males had a median income of $ 36,864 versus $ 28,867 for females. The per capita income for the city was $ 23,324. About 8.4% of families and 11.7% of the population were below the poverty line , including 17.3% of those under age 18 and 7.7% of those age 65 or over. Many of
1736-625: A labor activist, and Marjorie Merriweather Post , the founder of the General Foods Corporation , lived in the city; Post in particular was a native of Springfield. In addition, astronomer Seth Barnes Nicholson was born in Springfield in 1891. A Madeiran Portuguese community resided in the vicinity of the Carpenter Street Underpass, one of the earliest and largest Portuguese settlements in
1860-539: A more compact system. The IGBT also allowed the development of a small, highly integrated, highly sophisticated all-digital control device, consisting of a high-speed processor, specially customized gate arrays, and a circuit capable of controlling large currents of several kHz. In 2000, the first vacuum elevator was offered commercially in Argentina. Some people argue that elevators began as simple rope or chain hoists (see Traction elevators below). An elevator
1984-405: A new state Capitol there. On July 4, 1837, the first brick was laid for Illinois's fifth capitol designed by John F. Rague (1799-1877), who also designed the nearly identical Iowa Old Territorial Capitol . After 16 years of work, in 1853, the fifth Illinois Capitol was completed and the first in Springfield for a total sum of $ 260,000 (equivalent to $ 9,522,240 in 2023), almost twenty times
2108-580: A novel tourist attraction which they called the "ascending room", which elevated customers to a considerable height in the center of London, providing a panoramic view. Early, crude steam-driven elevators were refined in the ensuing decade. In 1835, an innovative elevator, the Teagle, was developed by the company Frost and Stutt in England . It was belt-driven and used a counterweight for extra power. In 1845, Neapolitan architect Gaetano Genovese installed
2232-400: A result of the riot: nine black residents, and seven white residents who were associated with the mob, five of whom were killed by state militia and two committed suicide. The riot ended when the governor sent in more than 3,700 militiamen to patrol the city, but isolated incidents of white violence against blacks continued in Springfield into September. On March 12, 2006, two F2 tornadoes hit
2356-564: A result of the weather. Springfield received a federal grant in February 2005 to help improve its tornado warning systems and new sirens were put in place in November 2006 after eight of the sirens failed during an April 2006 test, shortly after the tornadoes hit. The cost of the new sirens totaled $ 983,000. Although tornadoes are not uncommon in central Illinois, the March 12 tornadoes were
2480-465: A silvery facade which does not weather, corrode or rust. Architectural scholar Jean A. Follett describes it as a building that "is monumental in scale and rich in detail." The interior of the dome features a plaster circular frieze painted to resemble bronze, which illustrates scenes from Illinois state history, and stained glass windows, including a stained glass replica of the Illinois state seal in
2604-423: A small "core community" of economically successful, socially homogeneous, and politically active voters and officeholders who controlled local political affairs, while most residents moved in and out of the city. Members of a tightly knit and exclusive "core community", exemplified by Abraham Lincoln , blunted the potentially disruptive impact of migration on local communities. The case of John Williams illustrates
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#17327795323882728-577: A small cabinet houses the controller. The equipment is otherwise similar to that of a normal traction or hole-less hydraulic elevator. The world's first machine-room-less elevator, the Kone MonoSpace, was introduced in the year 1996, by Kone . Compared to traditional elevators, it: Its disadvantage was that it could be harder, and significantly more dangerous, to service and maintain. Double-decker elevators are traction elevators with cars that have an upper and lower deck. Both decks, which can serve
2852-460: A so-called 'flying chair' built for one of his mistresses at the Château de Versailles in 1743. Ancient and medieval elevators used drive systems based on hoists and windlasses . The invention of a system based on the screw drive was perhaps the most important step in elevator technology since ancient times, leading to the creation of modern passenger elevators. The first screw-drive elevator
2976-699: A southwestern extension of their colony of New France in the interior of the North America continent. Kaskaskia had been an administrative center and on the main inland transportation route for much of the 18th century between the Great Lakes and south to the French and then Spanish colonial port city of New Orleans at the mouth of the Mississippi near the Gulf of Mexico . It became the largest town in
3100-588: A successful elevator enterprise in Austria-Hungary. The safety and speed of electric elevators were significantly enhanced by Frank Sprague , who added floor control, automatic operation, acceleration control, and further safety devices. His elevator ran faster and with larger loads than hydraulic or steam elevators. 584 of Sprague's elevators were installed before he sold his company to the Otis Elevator Company in 1895. Sprague also developed
3224-626: A two-story building, for the sum of $ 4.00 per day. Wishing to site the capital in the state's interior from its border on the Mississippi, the first General Assembly of Illinois petitioned the U.S. Congress in Washington for a grant of suitable public land. Congress offered, and the state accepted, a land parcel further northeast up the Kaskaskia River from the confluence with the Mississippi, about eighty miles northeast of Kaskaskia. This location, which would be named Vandalia, Illinois ,
3348-420: A variety of factors. Hydraulic elevators are cheaper, but installing cylinders greater than a certain length becomes impractical for very-high lift hoistways. For buildings of much over seven floors, traction elevators must be employed instead. Hydraulic elevators are usually slower than traction elevators. Elevators are a candidate for mass customization . There are economies to be made from mass production of
3472-409: A vertical cylinder, allowing the platform, carrying a heavy load, to be raised and lowered. Counterweights and balances were also used to increase lifting power. Henry Waterman of New York is credited with inventing the "standing rope control" for an elevator in 1850. In 1852, Elisha Otis introduced the safety elevator, which prevented the fall of the cab if the cable broke. He demonstrated it at
3596-508: A viable synodical tradition. Springfield became a major center of activity during the American Civil War. Illinois regiments trained there, the first ones under Ulysses S. Grant . He led his soldiers to a remarkable series of victories in 1861–62. The city was a political and financial center of Union support. New industries, businesses, and railroads were constructed to help support the war effort. The war's first official death
3720-480: A wide array of individuals, who, in one way or another, contributed to the broader American culture. Wandering poet Vachel Lindsay , most famous for his poem "The Congo" and a booklet called "Rhymes to be Traded for Bread", was born in Springfield in 1879. At least two notable people affiliated with American business and industry have called the Illinois state capital home at one time or another. Both John L. Lewis ,
3844-475: Is a 4,200-acre (1,700 ha) human-made reservoir owned by City Water, Light & Power , the largest municipally owned utility in Illinois. It was built and filled in 1935 by damming Lick Creek , a tributary of the Sangamon River which flows past Springfield's northern outskirts. The lake is used primarily as a source for drinking water for the city of Springfield, also providing cooling water for
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3968-424: Is a radical departure from Victorian architectural traditions. Covering 12,000 square feet (1,100 m ), the house contained vaulted ceilings and 16 major spaces. As the nation was changing, so Wright intended this structure to reflect the changes. Creating an organic and natural atmosphere, Wright saw himself as an "architect of democracy" and intended his work to be a monument to America's social landscape. It
4092-401: Is an area bordered by 3rd Street on its west, Black Avenue on the north, 8th street on the east and North Grand Avenue. The neighborhood is not far from Lincoln's Tomb on Monument Avenue. Springfield completely surrounds four suburbs that have their own municipal governments: Jerome , Leland Grove , Southern View , and Grandview . It also surrounds various unincorporated enclaves, including
4216-426: Is applied in high-speed elevators worldwide. The Toshiba company continued research on thyristors for use in inverter control and dramatically enhanced their switching capacity, resulting in the development of insulated gate bipolar transistors (IGBTs) at the end of the 1980s. The IGBT realized increased switching frequency and reduced magnetic noise in the motor, eliminating the need for a filter circuit and allowing
4340-446: Is essentially a platform that is either pulled or pushed up by mechanical means. A modern-day elevator consists of a cab (also called a "cabin", "cage", "carriage" or "car") mounted on a platform within an enclosed space called a shaft or sometimes a "hoistway". In the past, elevator drive mechanisms were powered by steam and water hydraulic pistons or by hand. In a "traction" elevator, cars are pulled up by means of rolling steel ropes over
4464-518: Is in the works of the Roman architect Vitruvius , who reported that Archimedes ( c. 287 BC – c. 212 BC ) built his first elevator probably in 236 BC. Sources from later periods mention elevators as cabs on a hemp rope, powered by people or animals. The Roman Colosseum , completed in 80 AD, had roughly 25 elevators that were used for raising animals up to the floor. Each elevator could carry about 600 pounds (270 kg) (roughly
4588-652: Is land and 6.284 square miles (16.28 km ) (or 9.56%) is water. The city is located in the Lower Illinois River Basin, in a large area known as Till Plain. Sangamon County, and the city of Springfield, are in the Springfield Plain subsection of Till Plain. The Plain is underlain by glacial till that was deposited by a large continental ice sheet that repeatedly covered the area during the Illinoian Stage . The majority of
4712-488: Is the only historic site later acquired by the state exclusively because of its architectural merit. The structure was opened to the public as a museum house in September 1990; tours are available, 9:00 a.m.–4:00 p.m. Wednesdays through Sundays. Sparked by the alleged rape of a white woman by a black man and the murder of a white engineer, supposedly also by a black man, in Springfield, and reportedly angered by
4836-576: Is thought to be the first office building with passenger elevators. In 1872, American inventor James Wayland patented a novel method of securing elevator shafts with doors that are automatically opened and closed as the elevator car approaches and leaves them. In 1874, J. W. Meaker patented a method permitting elevator doors to open and close safely. The first electric elevator was built by Werner von Siemens in 1880 in Germany. Inventor Anton Freissler further developed von Siemens' ideas and created
4960-404: Is used or a humid subtropical climate ( Cfa ) if the −3 °C (27 °F) isotherm is used. In recent years, winter temperatures have increased substantially while summer temperatures have remained equal to the preiod 30 years before. Hot, humid summers and cold, rather snowy winters are the norm. Springfield is located on the farthest reaches of Tornado Alley , and as such, thunderstorms are
5084-522: The Chicago metropolitan area (after Rockford ), and the most populous in Central Illinois . Approximately 208,000 residents live in the Springfield metropolitan area , which consists of all of Sangamon and Menard counties. Springfield lies in a plain near the Sangamon River north of Lake Springfield . The city is on historic Route 66 . Springfield was settled by European-Americans in
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5208-918: The Illinois General Assembly , the Illinois Supreme Court , the office of the Governor of Illinois and historic Illinois Governor's Mansion . The University of Illinois Springfield has its campus near Lake Springfield. Weather is fairly typical for middle-latitude locations, with four distinct seasons. The city has a mayor–council form of government and governs the Capital Township . Public schools in Springfield are operated by District No. 186. Settlers originally named this community as "Calhoun", after Senator John C. Calhoun of South Carolina , expressing their cultural ties. The land that Springfield now occupies
5332-497: The Lincoln Tomb . Largely on the efforts of Lincoln and other area lawmakers, as well as its central location, Springfield was made the state capital in 1839. As the state capital, the government of Illinois is based in Springfield. Springfield's economy is dominated by government agencies and adjacent firms that work with state and county governance, in addition to healthcare and medicine. State government institutions include
5456-493: The central section of Illinois, Springfield is 80 miles (130 km) northeast of St. Louis . The Champaign/Urbana area is to the east, Peoria is to the north, and Bloomington–Normal is to the northeast. Decatur is 40 miles (64 km) due east. The city is at an elevation of 558 feet (170 m) above sea level . According to the 2010 census, Springfield has a total area of 65.764 square miles (170.33 km ), of which 59.48 square miles (154.05 km ) (or 90.44%)
5580-482: The "Flying chair", an elevator ahead of its time in the Royal Palace of Caserta . It was covered with chestnut wood outside and with maple wood inside. It included a light, two benches, and a hand-operated signal, and could be activated from the outside, without any effort by the occupants. Traction was controlled by a motor mechanic utilizing a system of toothed wheels. A safety system was designed to take effect if
5704-548: The 1850s. Widespread migration in the 19th-century United States produced frequent population turnover within Midwestern communities, which influenced patterns of voter turnout and office-holding. Examination of the manuscript census, poll books, and office-holding records reveals the effects of migration on the behavior and voting patterns of 8,000 participants in 10 elections in Springfield. Most voters were short-term residents who participated in only one or two elections during
5828-542: The 1850s. Fewer than 1% of all voters participated in all 10 elections. Instead of producing political instability, however, rapid turnover enhanced the influence of the more stable residents. Migration was selective by age, occupation, wealth, and birthplace. Longer-term or "persistent" voters, as he terms them, tended to be wealthier, more highly skilled, more often native-born, and socially more stable than non-persisters. Officeholders were particularly persistent and socially and economically advantaged. Persisters represented
5952-535: The 2-years long Illinois Capitol west wing project in 2014, the renovation achieved "LEED" Gold certification approval under the U.S. Green Building Council's New Construction and Major Renovation program. Eight years later, in December 2021, state officials began another second phase of a similar renovation program at the Illinois Capitol. This time focused on the north wing that will cost eventually of
6076-523: The Illinois Capitol, and Jacob Bunn , an in-law of W. D. Richardson, served as chairman of the capitol construction steering committee. When the Capitol in Springfield was constructed, several empty shafts were included for the future installation of elevators . The original water-operated elevators were installed the year before the building's completion in 1887 and were sometimes the subject of ridicule by local newspapers as they were deemed inadequate for
6200-599: The Lower Illinois River Basin is flat, with relief extending no more than 20 feet (6.1 m) in most areas, including the Springfield subsection of the plain. The differences in topography are based on the age of drift. The Springfield and Galesburg Plain subsections represent the oldest drift, Illinoian, while Wisconsinian drift resulted in end moraines on the Bloomington Ridged Plain subsection of Till Plain. Lake Springfield
6324-561: The Midwest. The Portuguese immigrants that originated the community left Madeira because they experienced social ostracization due to being Protestants in their largely Catholic homeland, having been converted to Protestantism by a Scottish reverend named Robert Reid Kalley , who visited Madeira in 1838. These Protestant Madeiran exiles relocated to the Caribbean island of Trinidad before settling permanently in Springfield in 1849. By
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#17327795323886448-499: The NW corner of 2nd and Jefferson, often mistaken for the original home site, marks instead the location of the first county courthouse, which was later built on Kelly's property. In 1821, Calhoun was designated as the county seat of Sangamon County due to its location, fertile soil and trading opportunities. Settlers from Kentucky , Virginia , and North Carolina came to the developing settlement. By 1832, Senator Calhoun had fallen out of
6572-588: The New York exposition in the Crystal Palace in a dramatic, death-defying presentation in 1854, and the first such passenger elevator was installed at 488 Broadway in New York City on 23 March 1857. The first elevator shaft preceded the first elevator by four years. Construction for Peter Cooper 's Cooper Union Foundation building in New York began in 1853. An elevator shaft was included in
6696-576: The Whigs' political rise but, by the 1840s, Springfield began to be dominated by Democratic politicians. Waves of new European immigrants had changed the city's demographics and they became aligned with the Democrats, who made more effort to assist and connect with them. By the 1860 presidential election, Lincoln was barely able to win his home city. Winkle earlier had studied the effect of migration on residents' political participation in Springfield during
6820-631: The also newly-formed Michigan Territory , Wisconsin Territory , and the adjacent Indiana Territory to come further west to the fertile new lands in the Mid-Western Plains and prairie of the watersheds of the Mississippi and Ohio River Valleys . The new state of Illinois allowed its lease on the first capital in the river port town of Kaskaskia to expire and relocated its government and courts upstream northeast to Vandalia. Vandalia
6944-614: The base of its grand staircase railings, whereas the maiden lamps originally intended for Illinois were instead delivered to and installed for the viewing pleasure and artist appreciation at the Iowa State Capitol in Des Moines , where they remain to this day. The replica lamps of sculpture statues now installed at Illinois as part of this renovation are copies of those from the 19th century at Iowa 's Capitol (in exile for 136 years from Illinois). The year after completion of
7068-483: The basement; installation of maiden lamp posts for the grand staircase, new chandeliers, and copper-clad exterior doors; and removal of a second floor mezzanine level. The addition of the maiden statues is particularly notable, since they had been originally sculpted and intended for the building since construction began in 1868, continuing into the subsequent 1870s when architect Alfred Piquenard designed them as part of his original plan for interior decoration. Piquenard
7192-526: The capital to a geographic location nearer to the center of the state. A bill was introduced after only a decade in Vandalia in the General Assembly in 1833, calling for a statewide referendum vote to determine a new location site from a list of several choices including the towns of Alton, Jacksonville, Peoria, Springfield, Vandalia, and the state's actual geographic center. While Alton was voted
7316-500: The car does not reach maximum rated speed or acceleration, and added the functionality of express zones. This equation is now referred to as the 'Up peak Calculation' as it uses the assumption that all the passengers are coming into the building from the ground floor (incoming traffic) and that there are no passengers traveling from a higher floor to the ground floor (outgoing traffic) and no passengers traveling from one internal floor to another (interfloor traffic). This model works well if
7440-688: The car passed through them. The first elevator in India was installed at the Raj Bhavan in Kolkata by Otis in 1892. By 1900, completely automated elevators were available, but passengers were reluctant to use them. Their adoption was aided by a 1945 elevator operator strike in New York City, and the addition of an emergency stop button, emergency telephone, and a soothing explanatory automated voice. An inverter-controlled gearless drive system
7564-533: The census of 2000, there were 111,454 people, 48,621 households, and 27,957 families residing in the city. The population density was 2,063.9 people per square mile (796.9 people/km ). There were 53,733 housing units at an average density of 995.0 per square mile (384.2/km ). The racial makeup of the city was 81.0% White , 15.3% African American , 0.2% Native American , 1.5% Asian , 0.1% Pacific Islander , 0.5% from other races , and 1.5% from two or more races. Hispanic or Latino of any race were 1.2% of
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#17327795323887688-746: The center-top oculus of the dome, above the rotunda. With a total height of 361 feet (110 m), the Illinois Capitol is the tallest non-skyscraper capitol structure, even exceeding the height of the United States Capitol with its dome in Washington, D.C. In contrast, the shortest skyscraper-style tower state capitol is the North Dakota State Capitol in Bismarck , stands a mere 241.67 feet (73.66 m) tall. The only other state capitols taller than Illinois are
7812-616: The city's businesses prospered from camp traffic, drunken behavior and rowdiness on the part of the soldiers stationed there strained relations. Neither civil nor military authorities proved able to control disorderly outbreaks. After the war ended in 1865, Springfield became a major hub in the Illinois railroad system. It was a center of government and farming. By 1900 it was also invested in coal mining and processing. Local poet Vachel Lindsay 's notions of utopia were expressed in his only novel, The Golden Book of Springfield (1920), which draws on ideas of anarchistic socialism in projecting
7936-554: The city, injuring 24 people, damaging hundreds of buildings, and causing $ 150 million in damages. On February 10, 2007, then-senator Barack Obama announced his presidential candidacy in Springfield, standing on the grounds of the Old State Capitol . Senator Obama also used the Old State Capitol in Springfield as a backdrop when he announced Joe Biden as his running mate on August 23, 2008. Located within
8060-562: The city. According to the United States Department of Labor's Bureau of Labor Statistics (BLS), the Civilian Labor force dropped from 116,500 in September 2006 to 113,400 in February 2007. In addition, the unemployment rate rose during the same time period from 3.8% to 5.1%. According to the city's 2021 Comprehensive Annual Financial Report, the largest employers in the city are: Springfield has been home to
8184-417: The city. The largest private sector employer in 2002 was Memorial Health System with 3,400 people working for the organization. According to estimates from the "Living Wage Calculator" the living wage for the city of Springfield is $ 7.89 per hour for one adult, approximately $ 15,780 working 2,000 hours per year. For a family of four, costs are increased and the living wage is $ 17.78 per hour within
8308-485: The components, but each building comes with its own requirements like different number of floors, dimensions of the well and usage patterns. Elevator doors prevent riders from falling into, entering, or tampering with anything in the shaft. The most common configuration is to have two panels that meet in the middle and slide open laterally. These are known as "center-opening". In a cascading telescopic configuration (potentially allowing wider entryways within limited space),
8432-483: The condensers at the power plant on the lake. It attracts approximately 600,000 visitors annually and its 57 miles (92 km) of shoreline is home to over 700 lakeside residences and eight public parks. The term "full pool" describes the lake at 560 feet (170 m) above sea level and indicates the level at which the lake begins to flow over the dam's spillway , if no gates are opened. Normal lake levels are generally somewhere below full pool, depending upon
8556-463: The cords broke, consisting of a beam pushed outwards by a steel spring. The hydraulic crane was invented by Sir William Armstrong in 1846, primarily for use at the Tyneside docks for loading cargo. They quickly supplanted the earlier steam-driven elevators, exploiting Pascal's law to provide much greater force. A water pump supplied a variable level of water pressure to a plunger encased inside
8680-522: The cost of any such previous structure. The building was designed in then popular Greek Revival architectural style from stone quarried 6 miles away from the site in Springfield. For many years, it was considered the largest and most extravagant capitol among the western frontier states in the United States and a source of pride. The fifth capitol is closely associated with local New Salem storekeeper, splitter of logs and rails, later to become
8804-407: The costs of the earlier fifth Capitol by selling it to the local Sangamon County government for $ 200,000 (equivalent to $ 4,578,000 in 2023). It served as the old Sangamon County Courthouse for an additional 73 years until 1961 when the state re-purchased the now historical treasure building back and repaired / renovated and especially restored it to be close to its mid-19th century appearance as
8928-590: The design because Cooper was confident that a safe passenger elevator would soon be invented. The shaft was cylindrical because Cooper thought it was the most efficient design. Otis later designed a special elevator for the building. Peter Ellis , an English architect, installed the first elevators that could be described as paternoster elevators in Oriel Chambers in Liverpool in 1868. The Equitable Life Building , completed in 1870 in New York City,
9052-409: The doors roll on independent tracks so that while open, they are tucked behind one another, and while closed, they form cascading layers on one side. This can be configured so that two sets of such cascading doors operate like the center opening doors described above, allowing for a very wide elevator cab. In less expensive installations the elevator can also use one large "slab" door: a single panel door
9176-822: The downtown area to names of notable people in Springfield and Illinois to names of institutions of higher education, especially in the Harvard Park neighborhood. Springfield has at least twenty separately designated neighborhoods , though not all have neighborhood associations. They include: Benedictine District, Bunn Park, Downtown, Eastsview, Enos Park, Glen Aire, Harvard Park, Hawthorne Place, Historic West Side, Lincoln Park, Mather and Wells, Medical District, Near South, Northgate, Oak Ridge, Old Aristocracy Hill, Pillsbury District, Shalom, Springfield Lakeshore, Toronto , Twin Lakes, UIS Campus, Victoria Lake, Vinegar Hill, and Westchester neighborhoods. The Lincoln Park Neighborhood
9300-493: The earlier Americans with Disabilities Act of 1990 for modern handicapped persons accessibility and reworking utility mechanical, electrical and plumbing infrastructure of the century and a quarter old building as well as architectural improvements to bring the capitol closer to its original 1870s / 1880s appearance, the "period of significance" for the monumental building. Improvements included cleaning and refinishing of interior walls and ceilings, along with exposed brick arches in
9424-742: The early twentieth century, these immigrants resided in the western extension of a neighborhood known as the "Badlands". The Badlands was included in the widespread destruction and violence of the Springfield Race Riot in August 1908, an event that led to the formation of the National Association for the Advancement of Colored People (NAACP). The Carpenter Street archaeological site possesses local and national significance for its potential to contribute to an understanding of
9548-452: The elevator shaft when the car was not being entered or exited. In 1887, American inventor Alexander Miles of Duluth, Minnesota , patented an elevator with automatic doors that closed off the elevator shaft when the car was not being entered or exited. In 1891, American inventors Joseph Kelly and William L. Woods co-patented a novel way to guard elevator shafts against accident, by way of hatches that would automatically open and close as
9672-482: The equations had now become so complex that it was almost impossible to do manually and it became necessary to use software to run the calculations. The GA formula was extended even further in 1996 to account for double deck elevators. RTT calculations establish an elevator system's handling capacity by using a set of repeatable calculations which, for a given set of inputs, always produce the same answer. It works well for simple systems; but as systems get more complex,
9796-480: The favor with the public and the town renamed itself as Springfield. According to local history, the name was suggested by the wife of John Kelly, after Spring Creek, which ran through the area known as "Kelly's Field". Kaskaskia was the first capital of the Illinois Territory from its organization in 1809, continuing through statehood in 1818, and through the first year as a state in 1819. Vandalia
9920-473: The fifth Capitol became crowded, especially as a result of relocations after the American Civil War (1861-1865). Two years later, on February 24, 1867, the state General Assembly voted to construct a new larger Capitol. After breaking the ground for the sixth and current Illinois State Capitol in 1868, beginning an expensive two decades-long construction project extending to 1888. The state recouped
10044-491: The first book devoted to this subject, Elevator Service . The summation of his work was a massive fold-out chart (placed at the back of his book) that allowed users to determine the number of express and local elevators needed for a given building to meet a desired interval of service. In 1912, commercial engineer Edmund F. Tweedy and electrical engineer Arthur Williams co-authored a book titled Commercial Engineering for Central Stations . He followed Bolton's lead and developed
10168-648: The first to hit the actual city since the 1957 storm. The 2006 tornadoes followed nearly identical paths to that of the 1957 tornado. Springfield proper is largely based on a grid street system, with numbered streets starting with the longitudinal First Street (which leads to the Illinois State Capitol) and leading to 32nd Street in the far eastern part of the city. Previously, the city had four distinct boundary streets: North, South, East, and West Grand Avenues. Since expansion, West Grand Avenue became MacArthur Boulevard and East Grand became 19th Street on
10292-433: The four wings of the building is aligned to the 4 major compass directions ; from the north end to the south end the building measures 379 ft (116 m) and from the east end to the west end 268 ft (82 m). The capitol occupies a nine- acre plot of land that forms the surrounding Capitol Grounds. William Douglas Richardson served as one of the principal contractors for the 1868 to 1888 construction project of
10416-457: The government's Indian Removal policy. Abraham Lincoln arrived in the Springfield area in 1831 when he was a young man, but he did not live in the city until 1837. He spent the ensuing six years in New Salem , where he began his legal studies, joined the state militia , and was elected to the Illinois General Assembly . In 1837, Lincoln moved to Springfield, where he lived and worked for
10540-531: The high degree of corruption in the city, rioting broke out on August 14, 1908, and continued for three days in a period of violence known as the Springfield race riot . Gangs of white youth and blue-collar workers attacked the predominantly black areas of the city known as the Levee district, where most black businesses were located, and the Badlands, where many black residences stood. At least sixteen people died as
10664-818: The idea and technology for multiple elevators in a single shaft. In 1871, when hydraulic power was a well established technology, Edward B. Ellington founded Wharves and Warehouses Steam Power and Hydraulic Pressure Company, which became the London Hydraulic Power Company in 1883. It constructed a network of high-pressure mains on both sides of the Thames which ultimately extended 184 miles (296 km) and powered some 8,000 machines, predominantly elevators and cranes. Schuyler Wheeler patented his electric elevator design in 1883. In 1884, American inventor D. Humphreys of Norfolk, Virginia , patented an elevator with automatic doors that closed off
10788-477: The important role of the merchant banker in the economic development of central Illinois before the Civil War. Williams began his career as a clerk in frontier stores and saved to begin his own business. Later, in addition to operating retail and wholesale stores, he acted as a local banker. He organized a national bank in Springfield. He was active in railroad promotion and as an agent for farm machinery. During
10912-461: The introduction of steel beam construction, worked together to provide the passenger and freight elevators in use today. Starting in coal mines, elevators in the mid-19th century operated with steam power , and were used for moving goods in bulk in mines and factories. These devices were soon applied to a diverse set of purposes. In 1823, Burton and Homer, two architects in London , built and operated
11036-526: The jobs in the city center around state government, headquartered in Springfield. As of 2002, the State of Illinois is both the city and county's largest employer, employing 17,000 people across Sangamon County. As of February 2007, government jobs, including local, state and county, account for about 30,000 of the city's non-agricultural jobs. Trade, transportation and utilities, and the health care industries each provide between 17,000 and 18,000 jobs to
11160-509: The late 1810s, around the time Illinois became a state. The most famous historic resident was Abraham Lincoln , who lived in Springfield from 1837 until 1861, upon becoming President of the United States . Major tourist attractions include multiple sites connected with Lincoln including the Abraham Lincoln Presidential Library and Museum , Lincoln Home , Old State Capitol , Lincoln-Herndon Law Offices , and
11284-444: The lifestyles of multiple ethnic/racial groups in Springfield during the nineteenth and early twentieth centuries. Elevator An elevator ( American English ) or lift ( Commonwealth English ) is a machine that vertically transports people or freight between levels. They are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist , although some pump hydraulic fluid to raise
11408-465: The local railroad station before leaving on his cross-country train journey to the White House , and returned four years later in a black-draped funeral mourning car to lay in state in death after his assassination at Ford's Theatre on April 14, 1865, later to be interred in the Lincoln Tomb . As Illinois prospered and experienced several booms in population, economic and industrial growth,
11532-431: The mid-19th century, the spiritual needs of German Lutherans in the Midwest were not being tended. There had been a wave of migration after the 1848 revolutions, but without a related number of clergy. As a result of the efforts of such missionaries as Friedrich Wyneken, Wilhelm Loehe, and Wilhelm Sihler, additional Lutheran ministers were sent to the Midwest, Lutheran schools were opened, and Concordia Theological Seminary
11656-421: The neighborhoods of Laketown and Cabbage Patch . At the 2010 Census, 75.8% of the population was White , 18.5% Black or African American, 0.2% American Indian and Alaska Native, 2.2% Asian, and 2.6% of two or more races. 2.0% of Springfield's population was of Hispanic or Latino origin (they may be of any race). Non-Hispanic Whites were 74.7% of the population in 2010, down from 87.6% in 1980. As of
11780-533: The next 24 years as a lawyer and politician. Lincoln delivered his Lyceum address in Springfield. His farewell speech when he left for Washington is a classic in American oratory. Historian Kenneth J. Winkle (1998) examines the historiography concerning the development of the Second Party System (Whigs versus Democrats). He applied these ideas to the study of Springfield, a strong Whig enclave in
11904-675: The non- neo-classical / classical revival designs of the Louisiana State Capitol in Baton Rouge and the Nebraska State Capitol in Lincoln , whose governments opted for more modern unique structures, without traditional domes or towers. The dome itself of the State Capitol in Springfield is 92.5 ft (28.2 m) wide, and is supported by underground solid bedrock, 25.5 ft (7.8 m) below
12028-549: The north side and 18th Street on the south side. 18th Street has since been renamed after Martin Luther King Jr. North and South Grand Avenues (which run east–west) have remained important corridors in the city. At South Grand Avenue and Eleventh Street, the old "South Town District" lies, with the City of Springfield undertaking a significant redevelopment project there. Latitudinal streets range from names of presidents in
12152-400: The population. There were 48,621 households, out of which 27.5% had children under the age of 18 living with them, 41.1% were married couples living together, 12.9% had a female householder with no husband present, and 42.5% were non-families. 36.1% of all households were made up of individuals, and 11.7% had someone living alone who was 65 years of age or older. The average household size
12276-457: The principles of hydraulics (in the sense of hydraulic power ) to pressurize an above-ground or in-ground piston to raise and lower the car (see Hydraulic elevators below). Roped hydraulics use a combination of both ropes and hydraulic power to raise and lower cars. Recent innovations include permanent magnet motors, machine room-less rail mounted gearless machines, and microprocessor controls. The technology used in new installations depends on
12400-498: The progress of Lindsay's hometown toward utopia. The Dana–Thomas House is a Frank Lloyd Wright design built in 1902–03. Wright began work on the house in 1902. Commissioned by Susan Lawrence Dana, a local patron of the arts and public benefactor, Wright designed a house to harmonize with the owner's devotion to the performance of music. Coordinating art glass designs for 250 windows, doors, and panels as well as over 200 light fixtures, Wright enlisted Oak Park artisans. The house
12524-453: The season. During the drought from 1953 to 1955, lake levels dropped to their historical low, 547.44 feet (166.86 m) AMSL . The highest recorded lake levels were in December 1982, when the lake crested at 564 feet (172 m). Under the Köppen climate classification , Springfield falls within either a hot-summer humid continental climate ( Dfa ) if the 0 °C (32 °F) isotherm
12648-629: The self-educated, voracious reader becoming a Springfield lawyer and future 16th President Abraham Lincoln (1809-1865, served 1861-1865), It was here that he argued cases before the local magistrates as a circuit rider elevating to the courthouse of the Illinois Supreme Court , served in the Illinois General Assembly (state legislature), first debated Senator Stephen Douglas , for elections in 1858 to be chosen United States Senator from Illinois to Washington, delivered his famous " House Divided " speech in June 1858, his farewell remarks in February 1861, at
12772-500: The short-lived fourth Illinois State House in Vandalia—built by local residents at a cost of $ 16,000 (equivalent to $ 443,927 in 2023)—in an effort to keep the capital located in Vandalia. Although the new brick structure was well-built and extravagant, the General Assembly of Illinois however still ignored the citizens' gesture and still voted the next year to relocate the state capital to Springfield on February 25, 1837, and build
12896-595: The surface. It is the highest building in surrounding Sangamon County in terms of total elevation; although the Wyndham Springfield City Centre building in downtown Springfield is taller than the top of the Capitol, it is on lower ground, making the Capitol building higher. A Springfield city statute currently does not allow buildings to be constructed in the state capital city higher than the Illinois State Capitol.. Each of
13020-457: The surrounding landscaped grounds to people, and along with a citizens visitor screening area to improve Capitol security in light of recent news events of prior decades. During the 1960s and 1970s, mezzanine levels were constructed between some floors in part of the north wing offices to increase floor space for legislators and their staff, but unfortunately cramping and increasing crowded working conditions. Current project work will remove these as
13144-412: The theory of probabilities and found a reasonably accurate method of calculating the average stop count. The equation in this article assumed a consistent population on every floor. He went on to write an updated version of his equations in 1926 which accounted for variable population on each floor. Jones credited David Lindquist for the development of the equation but provides no indication as to when it
13268-493: The upper house of the Illinois Senate . A ceremonial office for the Governor of Illinois and additional executive branch offices, additional offices for legislators and staff, plus conference and committee rooms are also in the landmarked building. The Illinois Capitol's footprint is cross-shaped , with four equal wings. Its tall central rotunda and upper dome and tower roofs are covered in zinc metal plates to provide
13392-445: The victor in the plebiscite, the state legislature determined the margin of numbers was too small to be conclusive, and ignored the vote. In 1836, a young lawyer named Abraham Lincoln (1809-1865), along with colleagues of his in the legal profession, advocated moving the capital to Springfield . That summer the old third Capitol of 1824 in Vandalia was demolished after only 12 years service by local citizens and immediately replaced with
13516-512: The weight of two lions) 23 feet (7.0 m) up when powered by up to eight men. In 1000, the Book of Secrets by Ibn Khalaf al-Muradi in Islamic Spain described the use of an elevator-like lifting device to raise a large battering ram to destroy a fortress. In the 17th century, prototypes of elevators were installed in the palace buildings of England and France. Louis XV of France had
13640-687: The western Illinois Country , ceded by the British of the Kingdom of Great Britain in 1783 after the American Revolutionary War to the newly independent United States. Three decades later, as territorial capital of the old Illinois Territory since its establishment in 1809 by the United States Congress , it was deemed an appropriate location for state of Illinois in 1819, which leased the first Capitol building,
13764-403: The width of the doorway that opens to the left or right laterally. These are known as "single slide" doors. Some buildings have elevators with the single door on the shaftway, and double cascading doors on the cab. Elevators that do not require separate machine rooms are designed so that most of their power and control components fit within the hoistway (the shaft containing the elevator car), and
13888-402: Was 2.24 and the average family size was 2.94. In the city, the population was spread out, with 28.0% under the age of 18, 8.8% from 18 to 24, 29.8% from 25 to 44, 23.0% from 45 to 64, and 14.4% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 88.6 males. For every 100 females age 18 and over, there were 86.6 males. The median income for
14012-466: Was a Springfield resident, Colonel Elmer E. Ellsworth . Camp Butler, located seven miles (11 km) northeast of Springfield, Illinois, opened in August 1861 as a training camp for Illinois soldiers. It also served as a camp for Confederate prisoners of war through 1865. In the beginning, Springfield residents visited the camp to take part in the excitement of a military venture, but many reacted sympathetically to mortally wounded and ill prisoners. While
14136-512: Was also coincidentally architect for the neighboring Iowa State Capitol being built in Des Moines , which is of a similar architectural style, albeit only 3/4 of the larger size building in Springfield. Illinois legislators in the somewhat prudish 1870s, thought that the scantily-clad women statues were too risqué but the Iowans had no objection to such symbolic sculpture in their legislative house. Illinois therefore had only plain lamps installed at
14260-554: Was also earlier done a decade before in the west wing and to clean / restore the original walls of their decorative interior paint scheme colors. The current Capitol of Illinois in Springfield is the sixth such building in the history of the state of Illinois. The first was located in Kaskaskia, Illinois , a city on the east bank of the Mississippi River founded by French explorers of the Kingdom of France in 1709, as
14384-554: Was built by Ivan Kulibin and installed in the Winter Palace in 1793, although there may have been an earlier design by Leonardo da Vinci . Several years later, another of Kulibin's elevators was installed in the Arkhangelskoye near Moscow . The development of elevators was led by the need for movement of raw materials, including coal and lumber , from hillsides. The technology developed by these industries, and
14508-497: Was designed by Cochrane and Garnsey , an architectural and design firm based in Chicago . Ground was broken for the new capitol structure on March 11, 1868, and the building was completed twenty years later for a total cost of $ 4.5 million. The building contains the two legislative chambers for the bicameral General Assembly of Illinois , which is made up of the lower chamber of the Illinois House of Representatives and
14632-448: Was first proposed. Although the equations were there, elevator traffic analysis was still a very specialist task that could only be done by world experts. That was until 1967 when Strakosch wrote an eight step method for finding the efficiency of a system in "Vertical transportation: Elevators and Escalators". In 1975, Barney and Dos Santos developed and published the "Round Trip Time (RTT) formula", which followed Strakosch's work. This
14756-532: Was founded in Ft. Wayne, Indiana in 1846. The seminary moved to St. Louis, Missouri , in 1869, and then to Springfield in 1874. During the last half of the 19th century and the first half of the 20th century, the Lutheran Church–Missouri Synod succeeded in serving the spiritual needs of Midwestern congregations by establishing additional seminaries from ministers trained at Concordia, and by developing
14880-620: Was selected partly with the hopes of encouraging Americans and immigrant settlers to locate in expanding interior areas of the state, moving from the older original Thirteen States on the Atlantic Ocean and East Coast states and cities, and nearby attracting populations from new western states of the old original Northwest Territory of 1783-1803, like Ohio , and states of the Union further south of Kentucky and Tennessee . Illinoisans encouraged people from nearby further east and north in
15004-506: Was the first formulized mathematical model and is the simplest form that is still used by traffic analyzers today. Modification and improvements have been made to this equation over the years, most significantly in 2000 when Peters published "Improvements to the Up Peak Round Trip Time Calculation" which improved the accuracy of the flight time calculation, making allowances for short elevator journeys when
15128-522: Was the location of the second, third, and fourth State House Capitol buildings, where the state legislature of the General Assembly of Illinois met for 17 years, between 1820 and 1837. In 1820 with the completion of the new, or "second", capitol, Vandalia became the capital city of the state. The structure burned soon thereafter and a third Capitol quickly rose four years later in 1824 at a cost of $ 15,000 (equivalent to $ 416,182 in 2023). After its construction, many state citizens began to advocate relocating
15252-435: Was the second state capital of Illinois, from 1819 to 1839. Springfield was designated in 1839 as the third capital, and has continued to be so. The designation was largely due to the efforts of Abraham Lincoln and his associates; nicknamed the "Long Nine" for their combined height of 54 feet (16 m). The Potawatomi Trail of Death passed through here in 1838. The Native Americans were forced west to Indian Territory by
15376-523: Was visited first by trappers and fur traders who came to the Sangamon River in 1818. The first cabin was built in 1820, by John Kelly, after discovering the area to be plentiful of deer and wild game. He built his cabin upon a hill, overlooking a creek known eventually as the Town Branch. A stone marker on the north side of Jefferson street, halfway between 1st and College streets, marks the location of this original dwelling. A second stone marker at
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