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Amrum Lighthouse
The Amrum Lighthouse is located in the southern part of the German island of Amrum, approximately 2 kilometres west of the village of Wittdün, yet still adhering to the municipality of Nebel. Its name in German is ''Seefeuer Amrum''. The lighthouse is one of the island's landmarks, being open to the public during the summer season. Data The focal plane height of the lightsource measures 63 metres above mean sea level and thereby it is one of the highest lights along the German North Sea shore. The tower itself is 41.8 metres tall, which makes its top reach 67.4 metres above msl. The range of the white sector amounts to 23.3 nautical miles. The lens is made up of 16 panels of converging lenses. The light character is "Fl, 7.5s", i.e. a single flashing light with an interval of 7.5 seconds. A 230 V/250 V halogen metal vapour lamp is used as lantern. History An article on the loss of three vessels around the islands of Amrum and Sylt, pu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amrum
Amrum (; Öömrang, ''Öömrang'' North Frisian: ''Oomram'') is one of the North Frisian Islands on the Germany, German North Sea coast, south of Sylt and west of Föhr. It is part of the Nordfriesland district in the federal state of Schleswig-Holstein and has approximately 2,300 inhabitants. The island is made up of a sandy core of geestland and features an extended beach all along its west coast, facing the open North Sea. The east coast borders to mudflats of the Wadden Sea. Sand dunes are a characteristic part of Amrum's landscape, resulting in a vegetation that is largely made up of heath and shrubs. The island's only forest was planted in 1948. Amrum is a refuge for many species of birds and a number of marine mammals including the grey seal and harbour porpoise. Settlements on Amrum have been traced back to the Neolithic period when the area was still a part of the mainland of the Jutland peninsula. During the Middle Ages, Frisians, Frisian settlers arrived at Amrum and e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Granite
Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies underground. It is common in the continental crust of Earth, where it is found in igneous intrusions. These range in size from dikes only a few centimeters across to batholiths exposed over hundreds of square kilometers. Granite is typical of a larger family of ''granitic rocks'', or ''granitoids'', that are composed mostly of coarse-grained quartz and feldspars in varying proportions. These rocks are classified by the relative percentages of quartz, alkali feldspar, and plagioclase (the QAPF classification), with true granite representing granitic rocks rich in quartz and alkali feldspar. Most granitic rocks also contain mica or amphibole minerals, though a few (known as leucogranites) contain almost no dark minerals. Granite is nearly alway ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lighthouses Completed In 1874
A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways. Lighthouses mark dangerous coastlines, hazardous shoals, reefs, rocks, and safe entries to harbors; they also assist in aerial navigation. Once widely used, the number of operational lighthouses has declined due to the expense of maintenance and has become uneconomical since the advent of much cheaper, more sophisticated and effective electronic navigational systems. History Ancient lighthouses Before the development of clearly defined ports, mariners were guided by fires built on hilltops. Since elevating the fire would improve the visibility, placing the fire on a platform became a practice that led to the development of the lighthouse. In antiquity, the lighthouse functioned more as an entrance marker to ports than as a warning signal for reefs and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Lighthouses In Germany ...
This is a list of lighthouses in Germany. List See also * Lists of lighthouses and lightvessels References External links * {{Lighthouses in Europe Germany Lighthouses Lighthouses A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways. Lighthouses mark ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deutsche Post
The Deutsche Post AG, operating under the trade name Deutsche Post DHL Group, is a German multinational package delivery and supply chain management company headquartered in Bonn, Germany. It is one of the world's largest courier companies. The postal division delivers 61 million letters each day in Germany, making it Europe's largest such company. The Parcel division DHL is a wholly owned subsidiary claimed to be present in over 220 countries and territories. The Deutsche Post is the successor to the German mail authority Deutsche Bundespost, which was privatized in 1995 and became a fully independent company in 2000. Since its privatization, Deutsche Post has significantly expanded its business area through acquisitions. In late 2014, the group acquired StreetScooter GmbH, a small manufacturer of electric vehicles. Two years later, the group acquired UK Mail, a business-focused postal service in the UK for US$315.5 million (£243 million). The former company became a divi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rolling-element Bearing
In mechanical engineering, a rolling-element bearing, also known as a rolling bearing, is a bearing which carries a load by placing rolling elements (such as balls or rollers) between two concentric, grooved rings called races. The relative motion of the races causes the rolling elements to roll with very little rolling resistance and with little sliding. One of the earliest and best-known rolling-element bearings are sets of logs laid on the ground with a large stone block on top. As the stone is pulled, the logs roll along the ground with little sliding friction. As each log comes out the back, it is moved to the front where the block then rolls on to it. It is possible to imitate such a bearing by placing several pens or pencils on a table and placing an item on top of them. See " bearings" for more on the historical development of bearings. A rolling element rotary bearing uses a shaft in a much larger hole, and cylinders called "rollers" tightly fill the space between t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Euro
The euro ( symbol: €; code: EUR) is the official currency of 19 out of the member states of the European Union (EU). This group of states is known as the eurozone or, officially, the euro area, and includes about 340 million citizens . The euro is divided into 100 cents. The currency is also used officially by the institutions of the European Union, by four European microstates that are not EU members, the British Overseas Territory of Akrotiri and Dhekelia, as well as unilaterally by Montenegro and Kosovo. Outside Europe, a number of special territories of EU members also use the euro as their currency. Additionally, over 200 million people worldwide use currencies pegged to the euro. As of 2013, the euro is the second-largest reserve currency as well as the second-most traded currency in the world after the United States dollar. , with more than €1.3 trillion in circulation, the euro has one of the highest combined values of banknotes and coins in c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tonnes
The tonne ( or ; symbol: t) is a unit of mass equal to 1000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton to distinguish it from the non-metric units of the short ton ( United States customary units), and the long ton ( British imperial units). It is equivalent to approximately 2204.6 pounds, 1.102 short tons, and 0.984 long tons. The official SI unit is the megagram (symbol: Mg), a less common way to express the same mass. Symbol and abbreviations The BIPM symbol for the tonne is t, adopted at the same time as the unit in 1879.Table 6 . BIPM. Retrieved on 2011-07-10. Its use is also official for the metric ton in the United States, having been adopted by the United States |
Amrum Leuchtturm 7
Amrum (; ''Öömrang'' North Frisian: ''Oomram'') is one of the North Frisian Islands on the German North Sea coast, south of Sylt and west of Föhr. It is part of the Nordfriesland district in the federal state of Schleswig-Holstein and has approximately 2,300 inhabitants. The island is made up of a sandy core of geestland and features an extended beach all along its west coast, facing the open North Sea. The east coast borders to mudflats of the Wadden Sea. Sand dunes are a characteristic part of Amrum's landscape, resulting in a vegetation that is largely made up of heath and shrubs. The island's only forest was planted in 1948. Amrum is a refuge for many species of birds and a number of marine mammals including the grey seal and harbour porpoise. Settlements on Amrum have been traced back to the Neolithic period when the area was still a part of the mainland of the Jutland peninsula. During the Middle Ages, Frisian settlers arrived at Amrum and engaged in salt making a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nordfriesland
Nordfriesland (; da, Nordfrisland; frr, Nordfraschlönj ), also known as North Frisia, is the northernmost district of Germany, part of the state of Schleswig-Holstein. It includes almost all of traditional North Frisia (with the exception of the island of Heligoland), as well as adjacent parts of the Schleswig Geest to the east and Stapelholm to the south, and is bounded (from the east and clockwise) by the districts of Schleswig-Flensburg and Dithmarschen, the North Sea and the Danish county of South Jutland. The district is called ''Kreis Nordfriesland'' in German, ''Kreis Noordfreesland'' in Low German, ''Kris Nordfraschlönj'' in Mooring North Frisian, ''Kreis Nuurdfresklun'' in Fering North Frisian and ''Nordfrislands amt'' in Danish. As of 2008, Nordfriesland was the most visited rural district in Germany. History The sea has always had a strong influence in the region. In medieval times, storm tides made life in what is now Nordfriesland rather dangerous. Onl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Exposition Universelle (1867)
The International Exposition of 1867 (french: Exposition universelle 'art et d'industriede 1867), was the second world's fair to be held in Paris, from 1 April to 3 November 1867. A number of nations were represented at the fair. Following a decree of Emperor Napoleon III, the exposition was prepared as early as 1864, in the midst of the renovation of Paris, marking the culmination of the Second French Empire. Visitors included Tsar Alexander II of Russia, a brother of the King William and Otto von Bismarck of Prussia, Prince Metternich and Franz Josef of Austria, Ottoman Sultan Abdülaziz, and the Khedive of Egypt Isma'il. Conception In 1864, Napoleon III issued a decree stating that an international exposition should be held in Paris in 1867. A commission was appointed with Prince Jerome Napoleon as president, under whose direction the preliminary work began. The site chosen for the Exposition Universelle of 1867 was the Champ de Mars, the great military parade ground ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Argand Lamp
The Argand lamp is a type of oil lamp invented in 1780 by Aimé Argand. Its output is 6 to 10 candelas, brighter than that of earlier lamps. Its more complete combustion of the candle wick and oil than in other lamps required much less frequent trimming of the wick. In France, the lamp is called "Quinquet", after Antoine-Arnoult Quinquet, a pharmacist in Paris, who used the idea originated by Argand and popularized it in France. Quinquet sometimes is credited with the addition of the glass chimney to the lamp. Design The Argand lamp had a sleeve-shaped wick mounted so that air can pass both through the center of the wick and also around the outside of the wick before being drawn into a cylindrical chimney which steadies the flame and improves the flow of air. Early models used ground glass which was sometimes tinted around the wick. An Argand lamp used whale oil, seal oil, colza, olive oil or other vegetable oil as fuel which was supplied by a gravity feed from a reservoir mou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
