SM UB-30
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SM UB-30
SM ''UB-30'') and combined with the ''U'' for ''Unterseeboot'' would be translated as ''His Majesty's Submarine''., group=Note was a German Type UB II submarine or U-boat in the German Imperial Navy (german: Kaiserliche Marine) during World War I. The U-boat was ordered on 22 July 1915 and launched on 16 November 1915. She was commissioned into the German Imperial Navy on 18 March 1916 as SM ''UB-30''. The submarine sank 18 ships in 19 patrols. They included the William Cory & Son collier SS ''Vernon'' in the North Sea off Spurn on 31 August 1917 and the Witherington and Everett Steam Ship Company collier SS ''Lightfoot'' in the English Channel off Selsey Bill on 16 March 1918. ''UB-30'' was sunk by two depth charges from HMS Landrail south of Goodwin Sands at on 13 August 1918. Design A German Type UB II submarine, ''UB-30'' had a displacement of when at the surface and while submerged. She had a total length of , a beam of , and a draught of . The submarine was pow ...
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German Empire
The German Empire (),Herbert Tuttle wrote in September 1881 that the term "Reich" does not literally connote an empire as has been commonly assumed by English-speaking people. The term literally denotes an empire – particularly a hereditary empire led by an emperor, although has been used in German to denote the Roman Empire because it had a weak hereditary tradition. In the case of the German Empire, the official name was , which is properly translated as "German Empire" because the official position of head of state in the constitution of the German Empire was officially a "presidency" of a confederation of German states led by the King of Prussia who would assume "the title of German Emperor" as referring to the German people, but was not emperor of Germany as in an emperor of a state. –The German Empire" ''Harper's New Monthly Magazine''. vol. 63, issue 376, pp. 591–603; here p. 593. also referred to as Imperial Germany, the Second Reich, as well as simply Germany, ...
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Ship Commissioning
Ship commissioning is the act or ceremony of placing a ship in active service and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to placing a warship in active duty with its country's military forces. The ceremonies involved are often rooted in centuries-old naval tradition. Ship naming and launching endow a ship hull with her identity, but many milestones remain before she is completed and considered ready to be designated a commissioned ship. The engineering plant, weapon and electronic systems, galley, and other equipment required to transform the new hull into an operating and habitable warship are installed and tested. The prospective commanding officer, ship's officers, the petty officers, and seamen who will form the crew report for training and familiarization with their new ship. Before commissioning, the new ship undergoes sea trials to identify any deficiencies needing corre ...
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Siemens-Schuckert
Siemens-Schuckert (or Siemens-Schuckertwerke) was a German electrical engineering company headquartered in Berlin, Erlangen and Nuremberg that was incorporated into the Siemens AG in 1966. Siemens Schuckert was founded in 1903 when Siemens & Halske acquired Schuckertwerke. Subsequently, Siemens & Halske specialized in communications engineering and Siemens-Schuckert in power engineering and pneumatic instrumentation. During World War I Siemens-Schuckert also produced aircraft. It took over manufacturing of the renowned Protos vehicles in 1908. In World War II, the company had a factory producing aircraft and other parts at Monowitz near Auschwitz. There was a workers camp near the factory known as Bobrek concentration camp. The Siemens Schuckert logo consisted of an S with a smaller S superimposed on the middle with the smaller S rotated left by 45 degrees.Siemens used this as a theme for their logos with absorbed companies: Siemens & Halske's logo was a large S with a small sup ...
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Karl Benz
Carl Friedrich Benz (; 25 November 1844 – 4 April 1929), sometimes also Karl Friedrich Benz, was a German engine designer and automotive engineer. His Benz Patent Motorcar from 1885 is considered the first practical modern automobile and first car put into series production. He received a patent for the motorcar in 1886. His company Benz & Cie., based in Mannheim, was the world's first automobile plant and largest of its day. In 1926 it merged with Daimler Motoren Gesellschaft to form Daimler-Benz which produces the Mercedes-Benz among other brands. Benz is widely regarded as "the father of the car" and "father of the automobile industry". Early life Carl Benz was born Karl Friedrich Michael Vaillant, on 25 November 1844 in Mühlburg, now a borough of Karlsruhe, Baden-Württemberg, which is part of modern Germany. His parents were Josephine Vaillant and a locomotive driver, Johann Georg Benz, whom she married a few months later. According to German law, the child acquired ...
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Draught (ship)
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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Goodwin Sands
Goodwin Sands is a sandbank at the southern end of the North Sea lying off the Deal coast in Kent, England. The area consists of a layer of approximately depth of fine sand resting on an Upper Chalk platform belonging to the same geological feature that incorporates the White Cliffs of Dover. The banks lie between above the low water mark to around below low water, except for one channel that drops to around below. Tides and currents are constantly shifting the shoals. More than 2,000 ships are believed to have been wrecked upon the Goodwin Sands because they lie close to the major shipping lanes through the Straits of Dover. The few miles between the sands and the coast is also a safe anchorage, known as The Downs, used as a refuge from foul weather. Due to the dangers, the area – which also includes Brake Bank – is marked by numerous lightvessels and buoys. Notable shipwrecks include in 1703, in 1740, the in 1914, and the South Goodwin Lightship, whic ...
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HMS Landrail (1914)
HMS ''Landrail'' was a of the British Royal Navy. The ''Laforey'' class (or L class) was the class of destroyers ordered under the Royal Navy's 1912–1913 construction programme, which were armed with three guns and four torpedo tubes and were capable of . The ship, which was originally to be named ''Hotspur'' but was renamed before launch, was built by the Scottish shipbuilder Yarrow between 1912 and 1914, ''Landrail'' served during the First World War. She formed part of the Harwich Force in the early years of the war, taking part in the Battle of Heligoland Bight in 1914, the Battle of Dogger Bank in 1915 and the Battle of Jutland in 1916. Later in the war she joined the First Destroyer Flotilla based at Portsmouth where she served as a convoy escort. She survived the war, and was sold for scrap in 1921. Construction and design For the 1912–1913 shipbuilding programme for the Royal Navy, the British Admiralty ordered twenty destroyers to a design based on a modi ...
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Depth Charge
A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive Shock factor, hydraulic shock. Most depth charges use explosive, high explosive charges and a fuze set to detonate the charge, typically at a specific depth. Depth charges can be dropped by ships, patrol aircraft, and helicopters. Depth charges were developed during World War I, and were one of the first viable methods of attacking a submarine underwater. They were widely used in World War I and World War II, and remained part of the anti-submarine arsenals of many navies during the Cold War, during which they were supplemented, and later largely replaced, by anti-submarine homing torpedoes. A depth charge fitted with a nuclear warhead is also known as a "nuclear depth bomb". These were designed to be dropped from a patrol plane or deployed by an anti-submarine missile from a s ...
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Selsey Bill
Selsey Bill is a headland into the English Channel on the south coast of England in the county of West Sussex. The southernmost town in Sussex is Selsey which is at the end of the Manhood Peninsula and ''Selsey Bill'' is situated on the town's southern coastline. It is the easternmost point of Bracklesham Bay and the westernmost point of the Sussex Coast. Toponymy Although the place name ''Selsey'' has existed since Saxon times, and is derived from the Old English meaning ''Seal's Island'', there is no evidence to suggest that the place name ''Selsey Bill'' is particularly old. A 1698 survey of the area included in a report for the Royal Navy, by Dummer and Wiltshaw mentioned Selsey Island but not Selsey Bill. The place name does not appear to have been used before the early 18th century when it started appearing on maps; for example Philip Overton's 1740 map of Sussex and Richard Budgen's map of 1724. It is possible that the idea was taken from Portland Bill, another headlan ...
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English Channel
The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" (Cotentinais) or ( Jèrriais), (Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kanaal, "The Channel"; german: Ärmelkanal, "Sleeve Channel" ( French: ''la Manche;'' also called the British Channel or simply the Channel) is an arm of the Atlantic Ocean that separates Southern England from northern France. It links to the southern part of the North Sea by the Strait of Dover at its northeastern end. It is the busiest shipping area in the world. It is about long and varies in width from at its widest to at its narrowest in the Strait of Dover."English Channel". ''The Columbia Encyclopedia'', 2004. It is the smallest of the shallow seas around the continental shelf of Europe, covering an area of some . The Channel was a key factor in Britain becoming a naval superpower and has been utilised by Britain as a natural def ...
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Wandsworth And District Gas Company
The Wandsworth and District Gas Company was a maker and distributor of coal gas in southwest London from 1834 until 1949. History The Wandsworth gasworks was built in 1834 on the Surrey bank of the River Thames near Wandsworth Bridge. Its supplied Wandsworth, Putney and part of Battersea. The undertaking became the Wandsworth and Putney Gaslight and Coke Company in 1854 and was incorporated by Act of Parliament in 1856. In 1912 the company merged with the Mitcham and Wimbledon District Gaslight Company and the Epsom and Ewell Gas Company to form the Wandsworth, Wimbledon and Epsom District Gas Company. In 1924 it bought land at Worcester Park to build more gas holders. In 1931 the company took over the Kingston upon Thames Gas Company and the Sutton Gas Company and retitled itself the Wandsworth and District Gas Company. In 1936 it took over the Leatherhead Gas and Lighting Company and the Walton upon Thames and Weybridge Gas Company. In 1949 the Wandsworth and District Gas Compa ...
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