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U2 (Berlin)
U2 is a line of the Berlin U-Bahn. The U2 line starts at Pankow S-Bahn station, runs through the eastern city centre (Alexanderplatz) to Potsdamer Platz, the western city centre (Wittenbergplatz, Zoologischer Garten, Theodor-Heuss Platz) and finally to the Ruhleben terminal station. The U2 has 29 stations and a length of . Together with the U1, U3, and U4 lines, it was part of the early Berlin U-Bahn network built before 1914. The line between Potsdamer Platz and Zoologischer Garten was the western section of the "stem line" (''Stammstrecke''), Berlin's first U-Bahn line opened in 1902. Overview The line starts to the west of central Berlin at Ruhleben and runs on an embankment between Rominter Allee and the railway to Spandau (also called the "Olympic" or "Grunewald" railway). On the bend approaching Olympischen Straße, the line descends into tunnel to run beneath that road from Neu-Westend to Wittenbergplatz. Subsequently, the U2 swings onto Reichsstrasse to Theodor-Heuss-P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rapid Transit
Rapid transit or mass rapid transit (MRT), also known as heavy rail or metro, is a type of high-capacity public transport generally found in urban areas. A rapid transit system that primarily or traditionally runs below the surface may be called a subway, tube, or underground. Unlike buses or trams, rapid transit systems are railways (usually electric railway, electric) that operate on an exclusive right-of-way (transportation), right-of-way, which cannot be accessed by pedestrians or other vehicles, and which is often grade-separated in tunnels or on elevated railways. Modern services on rapid transit systems are provided on designated lines between rapid transit station, stations typically using electric multiple units on rail tracks, although some systems use guided rubber tires, magnetic levitation (''maglev''), or monorail. The stations typically have high platforms, without steps inside the trains, requiring custom-made trains in order to minimize gaps between train a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ernst Werner Von Siemens
Ernst Werner Siemens (von Siemens from 1888; ; ; 13 December 1816 – 6 December 1892) was a German electrical engineer, inventor and industrialist. Siemens's name has been adopted as the SI unit of electrical conductance, the siemens. He founded the electrical and telecommunications conglomerate Siemens. Biography Early years Ernst Werner Siemens was born in Lenthe, today part of Gehrden, near Hannover, in the Kingdom of Hanover in the German Confederation, the fourth child (of fourteen) of a tenant farmer of the Siemens family, an old family of Goslar, documented since 1384. He was a brother of Carl Heinrich von Siemens and Carl Wilhelm Siemens, sons of Christian Ferdinand Siemens (31 July 1787 – 16 January 1840) and wife Eleonore Deichmann (1792 – 8 July 1839). Middle years After finishing school, Siemens intended to study at the Bauakademie Berlin. However, since his family was highly indebted and thus could not afford to pay the tuition fees, he chose to join the Pru ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cut-and-cover
A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods. A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. The central portions of a rapid transit network are usually in the tunnel. Some tunnels are used as sewers or aqueducts to supply water for consumption or for hydroelectric stations. Utility tunnels are used for routing steam, chilled water, electrical power or telecommunication cables, as well as connecting buildings for convenient passage of people and equipment. Secret tunnels are built for military purposes, or by civilians for smuggling of weapons, contraband, or people. Special tunnels, such as wildlife crossings, are built to allow wildlife to cross human-made barriers safely. Tu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charlottenburg
Charlottenburg () is a Boroughs and localities of Berlin, locality of Berlin within the borough of Charlottenburg-Wilmersdorf. Established as a German town law, town in 1705 and named after Sophia Charlotte of Hanover, Queen consort of Kingdom of Prussia, Prussia, it is best known for Charlottenburg Palace, the largest surviving royal palace in Berlin, and the adjacent museums. Charlottenburg was an independent city to the west of Berlin until 1920 when it was incorporated into "Greater Berlin Act, Groß-Berlin" (Greater Berlin) and transformed into a borough. In the course of Berlin's 2001 administrative reform it was merged with the former borough of Wilmersdorf becoming a part of a new borough called Charlottenburg-Wilmersdorf. Later, in 2004, the new borough's districts were rearranged, dividing the former borough of Charlottenburg into the localities of Charlottenburg proper, Westend (Berlin), Westend and Charlottenburg-Nord. Geography Charlottenburg is located in Berlin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alfred Grenander
Alfred Frederik Elias Grenander (26 June 1863 – 14 March 1931) was a Swedish architect, who became one of the most prominent engineers during the first building period of the Berlin U-Bahn network in the early twentieth century. Biography Grenander was born at Skövde in Västra Götaland County, Sweden. He was raised in Stockholm and began studying at the Swedish Royal Institute of Technology in 1881. He changed to the Royal Technical College of Charlottenburg in 1885. After his final degree in 1890 he became a site engineer at the construction of the new Reichstag building under the direction of Paul Wallot and continued his career in the architectural office of Alfred Messel. In 1896 Grenander set up his own business and worked as a designer of the ''Hochbahngesellschaft'', an affiliate of Siemens & Halske established in 1897 to build the first U-Bahn elevated railway of Berlin, opened in 1902. Up to 1931, he constructed about 70 U-Bahn stations, many of which have landm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
German Gold Mark
The German mark (german: Goldmark ; sign: ℳ) was the currency of the German Empire, which spanned from 1871 to 1918. The mark was paired with the minor unit of the pfennig (₰); 100 pfennigs were equivalent to 1 mark. The mark was on the gold standard from 1871–1914, but like most nations during World War I, the German Empire removed the gold backing in August 1914, and gold and silver coins ceased to circulate. After the fall of the Empire due to the November Revolution of 1918, the mark was succeeded by the Weimar Republic's mark, derisively referred to as the Papiermark ("Paper mark") due to hyperinflation in the Weimar Republic from 1918–1923. History The introduction of the German mark in 1873 was the culmination of decades-long efforts to unify the various currencies used by the German Confederation.pp 205-218 https://books.google.com/books?id=GrJCAAAAIAAJ&pg=PA205#v=onepage&q&f=false The Zollverein unified in 1838 the Prussian and South German currenc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Siemens AG
Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad. The principal divisions of the corporation are ''Industry'', ''Energy'', ''Healthcare'' (Siemens Healthineers), and ''Infrastructure & Cities'', which represent the main activities of the corporation. The corporation is a prominent maker of medical diagnostics equipment and its medical health-care division, which generates about 12 percent of the corporation's total sales, is its second-most profitable unit, after the industrial automation division. In this area, it is regarded as a pioneer and the company with the highest revenue in the world. The corporation is a component of the Euro Stoxx 50 stock market index. Siemens and its subsidiaries employ approximately 303,000 people worldwide and reported global revenue of around €62 billion in 2021 according to its earnings release. History 1847 to 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bülowstraße (Berlin U-Bahn)
Bülowstraße is a Berlin U-Bahn station on line U2, located in the Schöneberg district. It opened in 1902 on the western branch of the ''Stammstrecke'', Berlin's first U-Bahn line. Like the eponymous street, the station is named after the Prussian general Friedrich Wilhelm Freiherr von Bülow. The station features in the 2011 film ''Unknown'', starring Liam Neeson. Also . History Architect Bruno Möhring Bruno Möhring (11 December 1863 – 25/26 March 1929) was a German architect, urban planner, designer and a professor in Berlin. He was one of the most important architects of the Jugendstil style in Germany. He received his education at the Be ... planned it in an Art Nouveau style, and his son Rudolf enlarged the hall in 1929. Heavily damaged by air raids and the Battle of Berlin on 22/23 November 1943 and 19 July 1944, the station was rebuilt after World War II, but went out of service in 1972 due to the interruption of the U2 line by the construction of the Berl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hallesches Tor (Berlin U-Bahn)
Hallesches Tor is a Berlin U-Bahn station in the central Kreuzberg quarter, served by lines U1, U3, and U6. It is named after the historic ''Hallsches Tor'' (Halle Gate) of the Berlin Customs Wall, erected in the 18th century. Overview The historic gate of the Customs Wall, laid out from 1737 onwards to replace the medieval city fortifications, marked the southern tip of the Friedrichstadt neighbourhood. It was located at the southern end of Friedrichstraße and the ''Rondell'' (renamed '' Belle-Alliance-Platz'' in 1815 and Mehringplatz in 1946). Neighbouring gates were on Potsdamer Platz in the west and on Wassertorplatz (Water Gate) in the east, where the present course of the U1 viaduct roughly corresponds to the former city wall. South of the gate, a wooden bridge led across the Landwehr Canal; from here the road ran via Tempelhof to the city of Halle, part of Brandenburg-Prussia since 1680. The present-day stone bridge was built between 1874 and 1876. The U1 and U ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sanitary Sewer
A sanitary sewer is an underground pipe or tunnel system for transporting sewage from houses and commercial buildings (but not stormwater) to a sewage treatment plant or disposal. Sanitary sewers are a type of gravity sewer and are part of an overall system called a "sewage system" or sewerage. Sanitary sewers serving industrial areas may also carry industrial wastewater. In municipalities served by sanitary sewers, separate storm drains may convey surface runoff directly to surface waters. An advantage of sanitary sewer systems is that they avoid combined sewer overflows. Sanitary sewers are typically much smaller in diameter than combined sewers which also transport urban runoff. Backups of raw sewage can occur if excessive stormwater inflow or groundwater infiltration occurs due to leaking joints, defective pipes etc. in aging infrastructure. Purpose Sewage treatment is less effective when sanitary waste is diluted with stormwater, and combined sewer overflows occur when r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Friedrichstraße
The Friedrichstraße () (lit. ''Frederick Street'') is a major culture and shopping street in central Berlin, forming the core of the Friedrichstadt neighborhood and giving the name to Berlin Friedrichstraße station. It runs from the northern part of the old Mitte district (north of which it is called Chausseestraße) to the Hallesches Tor in the district of Kreuzberg. This downtown area is known for its expensive real estate market and the campus of the Hertie School of Governance. Due to its north-southerly direction, it forms important junctions with the east-western axes, most notably with Leipziger Straße and Unter den Linden. The U6 U-Bahn line runs underneath. During the Cold War it was bisected by the Berlin Wall and was the location of Checkpoint Charlie. Overview As central Berlin's traditional shopping street, Friedrichstraße is three blocks east of the parallel Wilhelmstraße, the historic heart of the old government quarter ''(Regierungsviertel)'' until 1945. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New York City Subway
The New York City Subway is a rapid transit system owned by the government of New York City and leased to the New York City Transit Authority, an affiliate agency of the state-run Metropolitan Transportation Authority (MTA). Opened on October 27, 1904, the New York City Subway is one of the world's oldest public transit systems, one of the most-used, and the one with the most stations, with New York City Subway stations, 472 stations in operation (424 if stations connected by transfers are counted as single stations). Stations are located throughout the boroughs of Manhattan, Brooklyn, Queens, and the Bronx. The system has operated 24/7 service every day of the year throughout most of its history, barring emergencies and disasters. By annual ridership, the New York City Subway is the busiest rapid transit system in both the Western Hemisphere and the Western world, as well as the List of metro systems, seventh-busiest rapid transit rail system in the world. In , the subway deliv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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