Narcís Monturiol
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Narcís Monturiol
Narcís Monturiol i Estarriol (; Narciso Monturiol Estarriol, in Spanish, 28 September 1819 – 6 September 1885) was a Spanish inventor, artist and engineer born in Figueres, Catalonia, Spain. He was the inventor of the first air-independent and combustion-engine-driven submarine. Biography Monturiol i Estarriol was born in the city of Figueres, Spain. He was the son of a cooper. Monturiol went to high school in Cervera and got a law degree in Mostoles in 1845. He solved the fundamental problems of underwater navigation. In effect, Monturiol invented the first fully functional engine-driven submarine. Monturiol never practiced law, instead turning his talents to writing and publishing, setting up a publishing company in 1846, the same year he married his wife Emilia. He produced a series of journals and pamphlets espousing his radical beliefs in feminism, pacifism, and utopian communism. He also founded the newspaper "''La Madre de Familia''", in which he promised "to defend ...
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Figueres
Figueres (, ; , es, Figueras, ) is the capital of the ''comarca'' of Alt Empordà, in the province of Girona, Catalonia, Spain. The town is the birthplace of artist Salvador Dalí, and houses the Teatre-Museu Gala Salvador Dalí, a large museum designed by Dalí himself which attracts many visitors. It is also the birthplace of Narcís Monturiol, inventor of the first successful machine-powered submarine. Also born here was Mónica Naranjo, one of the best selling Spanish singers of the 1990s and 2000s. History The town's name derives from that of ''Ficaris'', of Visigoth origin. In 1267, King James I of Aragon conceded it ''fuero'' rights, but four years later Count Ponç IV of Empúries set the town on fire. In 1794 Figueras was surrendered to France, but it was regained in 1795. During the Peninsular War it was taken by the French in 1808, recaptured by the Spaniards in 1811, and retaken by the French in the same year. During the Spanish Civil War, it remained loyal to t ...
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Cadaqués
Cadaqués () is a town in the Alt Empordà ''comarca'', in the province of Girona, Catalonia, Spain. It is on a bay in the middle of the Cap de Creus peninsula, near Cap de Creus cape, on the Costa Brava of the Mediterranean. It is two-and-a-quarter-hour drive from Barcelona, and thus it is accessible not only to tourists but also to people who want a second home for weekends and summers. In 2002, Cadaqués had an official population of 2,612, but up to ten times as many people can live in the town during the peak of the summer tourism season. Cadaqués has a special place in art history. Commanding charcoals, by local artist Eliseu Meifrèn, of the 19th century Cadaqués beleaguered by a winter tramontane, can be seen at the Cadaqués museum. Fren was the first modern artist to live in Cadaqués and gave the town many of his works and a marble top table on which he sketched many of its turn-of-the-century fishermen. Salvador Dalí often visited Cadaqués in his childhood, and l ...
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Turbine
A turbine ( or ) (from the Greek , ''tyrbē'', or Latin ''turbo'', meaning vortex) is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work. The work produced by a turbine can be used for generating electrical power when combined with a generator.Munson, Bruce Roy, T. H. Okiishi, and Wade W. Huebsch. "Turbomachines." Fundamentals of Fluid Mechanics. 6th ed. Hoboken, NJ: J. Wiley & Sons, 2009. Print. A turbine is a turbomachine with at least one moving part called a rotor assembly, which is a shaft or drum with blades attached. Moving fluid acts on the blades so that they move and impart rotational energy to the rotor. Early turbine examples are windmills and waterwheels. Gas, steam, and water turbines have a casing around the blades that contains and controls the working fluid. Credit for invention of the steam turbine is given both to Anglo-Irish engineer Sir Charles Parsons (1854–1931) for invention of the reaction turbine, and to ...
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Hellmuth Walter
Hellmuth Walter (26 August 1900 – 16 December 1980) was a German engineer who pioneered research into rocket engines and gas turbines. His most noteworthy contributions were rocket motors for the Messerschmitt Me 163 and Bachem Ba 349 interceptor aircraft, so-called ''Starthilfe'' jettisonable rocket propulsion units used for a variety of Luftwaffe aircraft during World War II, and a revolutionary new propulsion system for submarines known as air-independent propulsion (AIP). Early life Walter began training as a machinist in 1917 in Hamburg and in 1921 commenced studies in mechanical engineering at the Technical University of Berlin. He left before completing these studies, however, in order to take up a position at the Stettiner Maschinenbau AG Vulcan, a major shipyard. Walter's experience with marine engines here led him to become interested in overcoming some of the limitations of the internal combustion engine. He reasoned that an engine powered by a fuel source ...
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Vista De Perfil Del Submarí Ictineu 3
Vista usually refers to a distant view. Vista may also refer to: Software *Windows Vista, the line of Microsoft Windows client operating systems released in 2006 and 2007 *VistA, (Veterans Health Information Systems and Technology Architecture) a medical records system of the United States Department of Veterans Affairs and others worldwide *VISTA (comparative genomics), software tools for genome analysis and genomic sequence comparisons *VistaPro, and Vista, 3D landscape generation software for the Amiga and PC *VIsualizing STructures And Sequences, bioinformatics software Organizations and institutions *Vista Entertainment Solutions, a New Zealand software company specializing in solutions for the cinema industry *AmeriCorps VISTA, a national service program to fight poverty through local government agencies and non-profit organizations *Ventura Intercity Service Transit Authority, a public transportation agency in Ventura County, California, US *Vista Community College, now Be ...
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Madrid
Madrid ( , ) is the capital and most populous city of Spain. The city has almost 3.4 million inhabitants and a metropolitan area population of approximately 6.7 million. It is the second-largest city in the European Union (EU), and its monocentric metropolitan area is the third-largest in the EU.United Nations Department of Economic and Social AffairWorld Urbanization Prospects (2007 revision), (United Nations, 2008), Table A.12. Data for 2007. The municipality covers geographical area. Madrid lies on the River Manzanares in the central part of the Iberian Peninsula. Capital city of both Spain (almost without interruption since 1561) and the surrounding autonomous community of Madrid (since 1983), it is also the political, economic and cultural centre of the country. The city is situated on an elevated plain about from the closest seaside location. The climate of Madrid features hot summers and cool winters. The Madrid urban agglomeration has the second-large ...
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Postage Stamp
A postage stamp is a small piece of paper issued by a post office, postal administration, or other authorized vendors to customers who pay postage (the cost involved in moving, insuring, or registering mail), who then affix the stamp to the face or address-side of any item of mail—an envelope or other postal cover (e.g., packet, box, mailing cylinder)—that they wish to send. The item is then processed by the postal system, where a postmark or cancellation mark—in modern usage indicating date and point of origin of mailing—is applied to the stamp and its left and right sides to prevent its reuse. The item is then delivered to its addressee. Always featuring the name of the issuing nation (with the exception of the United Kingdom), a denomination of its value, and often an illustration of persons, events, institutions, or natural realities that symbolize the nation's traditions and values, every stamp is printed on a piece of usually rectangular, but sometimes triangular ...
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First Spanish Republic
The Spanish Republic ( es, República Española), historiographically referred to as the First Spanish Republic, was the political regime that existed in Spain from 11 February 1873 to 29 December 1874. The Republic's founding ensued after the abdication of King Amadeo on 10 February 1873. On the next day the republic was proclaimed by a parliamentary majority made up of radicals, republicans and democrats. The period was beset by tensions between federal republicans and unitarian republicans. The period also saw the end of compulsory conscription, the regulation of child labor and the abolition of slavery in Puerto Rico. The government inherited a state of war, the so-called Third Carlist War, ongoing since 1872, and the Ten Years' War, ongoing since 1868, to which the Cantonal rebellion added up in 1873. The January 1874 coup of Pavía ousted the government, giving way to a praetorian republic under General Serrano. In December 1874, General Arsenio Martínez Campos staged ...
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Berth (moorings)
A berth is a designated location in a port or harbour used for mooring vessels when they are not at sea. Berths provide a vertical front which allows safe and secure mooring that can then facilitate the unloading or loading of cargo or people from vessels. Locations in a port Berth is the term used in ports and harbors for a designated location where a vessel may be moored, usually for the purposes of loading and unloading. Berths are designated by the management of a facility (e.g., port authority, harbor master). Vessels are assigned to berths by these authorities. Most berths are alongside a quay or a jetty (large ports) or a floating dock (small harbors and marinas). Berths are either general or specific to the types of vessel that use them. The size of the berths varies from for a small boat in a marina to over for the largest tankers. The rule of thumb is that the length of a berth should be roughly 10% longer than the longest vessel to be moored at the berth. Ber ...
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Draft (hull)
The draft or draught of a ship's hull is the vertical distance between the waterline and the bottom of the hull (keel). The draught of the vessel is the maximum depth of any part of the vessel, including appendages such as rudders, propellers and drop keels if deployed. Draft determines the minimum depth of water a ship or boat can safely navigate. The related term air draft is the maximum height of any part of the vessel above the water. The more heavily a vessel is loaded, the deeper it sinks into the water, and the greater its draft. After construction, the shipyard creates a table showing how much water the vessel displaces based on its draft and the density of the water (salt or fresh). The draft can also be used to determine the weight of cargo on board by calculating the total displacement of water, accounting for the content of the ship's bunkers, and using Archimedes' principle. The closely related term "trim" is defined as the difference between the forward and aft ...
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Beam (nautical)
The beam of a ship is its width at its widest point. The maximum beam (BMAX) is the distance between planes passing through the outer extremities of the ship, beam of the hull (BH) only includes permanently fixed parts of the hull, and beam at waterline (BWL) is the maximum width where the hull intersects the surface of the water. Generally speaking, the wider the beam of a ship (or boat), the more initial stability it has, at the expense of secondary stability in the event of a capsize, where more energy is required to right the vessel from its inverted position. A ship that heels on her ''beam ends'' has her deck beams nearly vertical. Typical values Typical length-to-beam ratios ( aspect ratios) for small sailboats are from 2:1 (dinghies to trailerable sailboats around ) to 5:1 (racing sailboats over ). Large ships have widely varying beam ratios, some as large as 20:1. Rowing shells designed for flatwater racing may have length to beam ratios as high as 30:1, while a cor ...
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