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SS Mohamed Ali El-Kebir
SS ''Mohamed Ali El-Kebir'', formerly SS ''Teno'', was one of a pair of Steam turbine#Marine propulsion, steam turbine ocean liners built in Scotland in 1922 for the Chilean company CSAV. She and her sister ship ''SS Khedive Ismail, Aconcagua'' ran between Valparaíso and Port of New York and New Jersey, New York ''via'' the Panama Canal until 1932, when CSAV was hit by the Great Depression and surrendered the two ships to the Scottish shipbuilder Lithgows to clear a debt. In 1935 the Kingdom of Egypt, Egyptian company KML bought and renamed both ships and put them on routes across the Mediterranean. ''Teno'' was renamed ''Mohamed Ali El-Kebir'' after a former Egyptian monarch. In 1940 the British Government requisitioned both liners and had them converted into Troopship, troop ships. Within months of being converted, ''Mohamed Ali El-Kebir'' was sunk in the Western Approaches by a German submarine with the loss of 96 people. However, her escort drove away the submarine and res ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Teno
''Technische Nothilfe'' (abbreviated as TN, T.N, T.H, Tech Nh, TeNo, TENO; ) was a German organisation. It began as a strikebreaker organisation after the First World War, but developed into a volunteer emergency response unit. During the Nazi period TN became in charge of technical civil defence. History The TN was founded on September 30, 1919 by Otto Lummitzsch with the stated purpose to protect and maintain vital & strategic facilities (e.g. gas works, water works, power stations, railways, post offices, agriculture concerns and food production activities). At the time (1919–1923), these vital infrastructure facilities were under threat from sabotage and attack during a period bordering on civil war, which was caused by the collapse of German economy following the end of World War I and exacerbated by a spate of politically motivated wildcat strikes, usually by left-wing elements. In effect they were strike-breakers. The organization was formed from primarily post World W ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maritime Call Sign
Maritime call signs are call signs assigned as unique identifiers to ships and boats. All radio transmissions must be individually identified by the call sign. Merchant and naval vessels are assigned call signs by their national licensing authorities. History One of the earliest applications of radiotelegraph operation, long predating broadcast radio, were marine radio stations installed aboard ships at sea. In the absence of international standards, early transmitters constructed after Guglielmo Marconi's first trans-Atlantic message in 1901 were issued arbitrary two-letter calls by radio companies, alone or later preceded by a one-letter company identifier. These mimicked an earlier railroad telegraph convention where short, two-letter identifiers served as Morse code abbreviations to denote the various individual stations on the line (for instance, AX could represent Halifax). "N" and two letters would identify U.S. Navy; "M" and two letters would be a Marconi station. On Apr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kingdom Of Egypt
The Kingdom of Egypt ( ar, المملكة المصرية, Al-Mamlaka Al-Miṣreyya, The Egyptian Kingdom) was the legal form of the Egyptian state during the latter period of the Muhammad Ali dynasty's reign, from the United Kingdom's recognition of Egyptian independence in 1922 until the abolition of the monarchy of Egypt and Sudan in 1953 following the Egyptian Revolution of 1952. Until the Anglo-Egyptian Treaty of 1936, the Kingdom was only nominally independent, as the United Kingdom retained control of foreign relations, communications, the military, and Sudan. Officially, Sudan was governed as a condominium of the two states, however, in reality, true power in Sudan lay with the United Kingdom. Between 1936 and 1952, the United Kingdom continued to maintain its military presence, and its political advisers, at a reduced level. The legal status of Egypt had been highly convoluted, due to its ''de facto'' breakaway from the Ottoman Empire in 1805, its occupation by Br ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Depression
The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagion began around September and led to the Wall Street stock market crash of October 24 (Black Thursday). It was the longest, deepest, and most widespread depression of the 20th century. Between 1929 and 1932, worldwide gross domestic product (GDP) fell by an estimated 15%. By comparison, worldwide GDP fell by less than 1% from 2008 to 2009 during the Great Recession. Some economies started to recover by the mid-1930s. However, in many countries, the negative effects of the Great Depression lasted until the beginning of World War II. Devastating effects were seen in both rich and poor countries with falling personal income, prices, tax revenues, and profits. International trade fell by more than 50%, unemployment in the U.S. rose to 23% and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Panama Canal
The Panama Canal ( es, Canal de Panamá, link=no) is an artificial waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean and divides North and South America. The canal cuts across the Isthmus of Panama and is a conduit for maritime trade. One of the largest and most difficult engineering projects ever undertaken, the Panama Canal shortcut greatly reduces the time for ships to travel between the Atlantic and Pacific oceans, enabling them to avoid the lengthy, hazardous Cape Horn route around the southernmost tip of South America via the Drake Passage or Strait of Magellan and the even less popular route through the Arctic Archipelago and the Bering Strait. Colombia, France, and later the United States controlled the territory surrounding the canal during construction. France began work on the canal in 1881, but stopped because of lack of investors' confidence due to engineering problems and a high worker mortality rate. The United States took over the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SS Khedive Ismail
SS ''Khedive Ismail'', formerly SS ''Aconcagua'', was a turbine steamship that was built in 1922 as an ocean liner, converted into a troop ship in 1940 and sunk by a Japanese submarine in 1944 with great loss of life. She was owned by the Chilean company CSAV 1922–1932, the Scottish William Hamilton & Co (1932–35), the Egyptian company KML 1935–1940 and the British Ministry of War Transport 1940–1944. ''Aconcagua'' In April 1920 the Chilean Compañía Sud Americana de Vapores (CSAV) ordered a pair of passenger and cargo liners for service between Valparaíso and New York ''via'' the Panama Canal. Construction was delayed, the ships were not completed until the latter part of 1922, and CSAV lost money as a result. The first ship was launched on 11 February 1922 and completed in August. She was named ''Aconcagua'' after the Aconcagua mountain, the highest in the Andes. Her sister ship, '' Teno'', was launched on 5 September 1922, completed in December and reached Chile ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chile
Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east and the Pacific Ocean to the west. Chile covers an area of , with a population of 17.5 million as of 2017. It shares land borders with Peru to the north, Bolivia to the north-east, Argentina to the east, and the Drake Passage in the far south. Chile also controls the Pacific islands of Juan Fernández, Isla Salas y Gómez, Desventuradas, and Easter Island in Oceania. It also claims about of Antarctica under the Chilean Antarctic Territory. The country's capital and largest city is Santiago, and its national language is Spanish. Spain conquered and colonized the region in the mid-16th century, replacing Inca rule, but failing to conquer the independent Mapuche who inhabited what is now south-central Chile. In 1818, after declaring in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ocean Liner
An ocean liner is a passenger ship primarily used as a form of transportation across seas or oceans. Ocean liners may also carry cargo or mail, and may sometimes be used for other purposes (such as for pleasure cruises or as hospital ships). Cargo vessels running to a schedule are sometimes called ''liners''. The category does not include ferry, ferries or other vessels engaged in short-sea trading, nor dedicated cruise ships where the voyage itself, and not transportation, is the primary purpose of the trip. Nor does it include tramp steamers, even those equipped to handle limited numbers of passengers. Some shipping companies refer to themselves as "lines" and their container ships, which often operate over set routes according to established schedules, as "liners". Ocean liners are usually strongly built with a high Freeboard (nautical), freeboard to withstand rough seas and adverse conditions encountered in the open ocean. Additionally, they are often designed with thicker H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sister Ship
A sister ship is a ship of the same class or of virtually identical design to another ship. Such vessels share a nearly identical hull and superstructure layout, similar size, and roughly comparable features and equipment. They often share a common naming theme, either being named after the same type of thing or person (places, constellations, heads of state) or with some kind of alliteration. Typically the ship class is named for the first ship of that class. Often, sisters become more differentiated during their service as their equipment (in the case of naval vessels, their armament) are separately altered. For instance, the U.S. warships , , , and are all sister ships, each being an . Perhaps the most famous sister ships were the White Star Line's s, consisting of , and . As with some other liners, the sisters worked as running mates. Other sister ships include the Royal Caribbean International's and . ''Half-sister'' refers to a ship of the same class but with some s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Echo Sounding
Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water (bathymetry). It involves transmitting acoustic waves into water and recording the time interval between emission and return of a pulse; the resulting time of flight, along with knowledge of the speed of sound in water, allows determining the distance between sonar and target. This information is then typically used for navigation purposes or in order to obtain depths for charting purposes. Echo sounding can also be used for ranging to other targets, such as fish schools. Hydroacoustic assessments have traditionally employed mobile surveys from boats to evaluate fish biomass and spatial distributions. Conversely, fixed-location techniques use stationary transducers to monitor passing fish. The word '' sounding'' is used for all types of depth measurements, including those that don't use sound, and is unrelated in origin to the word ''sound'' in the sense of noise or ton ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Direction Finding
Direction finding (DF), or radio direction finding (RDF), isin accordance with International Telecommunication Union (ITU)defined as radio location that uses the reception of radio waves to determine the direction in which a radio station or an object is located. This can refer to radio or other forms of wireless communication, including radar signals detection and monitoring (ELINT/ESM). By combining the direction information from two or more suitably spaced receivers (or a single mobile receiver), the source of a transmission may be located via triangulation. Radio direction finding is used in the navigation of ships and aircraft, to locate emergency transmitters for search and rescue, for tracking wildlife, and to locate illegal or interfering transmitters. RDF was important in combating German threats during both the World War II Battle of Britain and the long running Battle of the Atlantic. In the former, the Air Ministry also used RDF to locate its own fighter gr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Defensively Equipped Merchant Ship
Defensively equipped merchant ship (DEMS) was an Admiralty Trade Division programme established in June 1939, to arm 5,500 British merchant ships with an adequate defence against enemy submarines and aircraft. The acronym DEMS was used to describe the ships carrying the guns, the guns aboard the ships, the military personnel manning the guns, and the shore establishment supporting the system. Background In the eighteenth and nineteenth centuries, European countries such as Spain, France, the Netherlands and Britain armed their merchant ships to prevent capture by pirates, enemy commerce raiders and privateers when they conducted overseas trade. The most heavily armed were ships carrying valuable cargo back from the Far East. Notably the East Indiamen class of ships were constructed from the keel up with defence in mind, with their heavy armament making some of the most powerful examples equivalent to naval Fourth-rate ships of the line. After the end of the Napoleonic Wars in 18 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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