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River Plym
The River Plym is a river in Devon, England. It runs from Dartmoor in the centre of the county southwest to meet the River Meavy, then south towards Plymouth Sound. The river is popular with canoeists, and the Plym Valley Railway runs alongside a section of the river. Course The river's source is around above sea level on Dartmoor, in an upland marshy area called Plym Head. From the upper reaches, which contain antiquities and mining remains, the river flows roughly southwest past clay workings at Shaugh Prior to The Dewerstone, where it meets the River Meavy. The course then changes to run southwards, between Plymouth and Plympton passing through the National Trust owned Plymbridge Woods and under the ancient Plym Bridge. Its upper tidal estuary is known as the Laira and the lower part is called Cattewater, which is navigable and leads towards Plymouth Sound. It is approximately long. Nomenclature The name Plym is thought to have its origins in Old English and means the "p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River Plym (England)
The River Plym is a river in Devon, England. It runs from Dartmoor in the centre of the county southwest to meet the River Meavy, then south towards Plymouth Sound. The river is popular with canoeists, and the Plym Valley Railway runs alongside a section of the river. Course The river's source is around above sea level on Dartmoor, in an upland marshy area called Plym Head. From the upper reaches, which contain antiquities and mining remains, the river flows roughly southwest past clay workings at Shaugh Prior to The Dewerstone, where it meets the River Meavy. The course then changes to run southwards, between Plymouth and Plympton passing through the National Trust owned Plymbridge Woods and under the ancient Plym Bridge. Its upper tidal estuary is known as the Laira and the lower part is called Cattewater, which is navigable and leads towards Plymouth Sound. It is approximately long. Nomenclature The name Plym is thought to have its origins in Old English and means the "p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Trust
The National Trust, formally the National Trust for Places of Historic Interest or Natural Beauty, is a charity and membership organisation for heritage conservation in England, Wales and Northern Ireland. In Scotland, there is a separate and independent National Trust for Scotland. The Trust was founded in 1895 by Octavia Hill, Sir Robert Hunter and Hardwicke Rawnsley to "promote the permanent preservation for the benefit of the Nation of lands and tenements (including buildings) of beauty or historic interest". It was given statutory powers, starting with the National Trust Act 1907. Historically, the Trust acquired land by gift and sometimes by public subscription and appeal, but after World War II the loss of country houses resulted in many such properties being acquired either by gift from the former owners or through the National Land Fund. Country houses and estates still make up a significant part of its holdings, but it is also known for its protection of wild lands ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Devon And Tavistock Railway
The South Devon and Tavistock Railway linked Plymouth with Tavistock in Devon; it opened in 1859. It was extended by the Launceston and South Devon Railway to Launceston, in Cornwall in 1865. It was a broad gauge line but from 1876 also carried the standard gauge (then referred to as ''narrow gauge'') trains of the London and South Western Railway between Lydford and Plymouth: a third rail was provided, making a ''mixed gauge''. In 1892 the whole line was converted to standard gauge only. The line closed to passengers in 1962 although sections at either end were retained for a while to carry freight traffic. A short section has since been reopened as a preserved line by the Plym Valley Railway. History Getting the Tavistock line authorised The Plymouth and Dartmoor Railway, a horse-worked line, had been constructed to bring minerals from quarries near Princetown to Plymouth; it opened on 26 September 1823. The South Devon Railway (SDR) built its line from Exeter to Plymouth, o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cann Quarry Canal
The Cann Quarry canal was a canal in Devon, England which ran for just under from Cann Quarry to the River Plym at Marsh Mills. It opened in 1829, and a short tramway connected it to the Plymouth and Dartmoor Railway at Crabtree Junction. It had been replaced by a tramway within ten years, but continued to be used as a mill leat to supply Marsh Mills corn mill, and most of it is still visible. History In 1778, the Cann Slate Quarry was owned by John Parker, and in order to make transport of the slate easier, he asked the engineer John Smeaton to survey a canal, to run from the quarry to the bridge at Marsh Mills. The River Plym between the bridge and Plymouth was navigable by barges. Although Smeaton carried out the work, he concluded that the canal, which would be long and would need several locks to accommodate the drop of in level, was unlikely to be economic, since the only trade would be the output from the quarry. He therefore suggested that a tramway would be a better ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atlantic Ocean
The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe and Asia from the "New World" of the Americas in the European perception of the World. The Atlantic Ocean occupies an elongated, S-shaped basin extending longitudinally between Europe and Africa to the east, and North and South America to the west. As one component of the interconnected World Ocean, it is connected in the north to the Arctic Ocean, to the Pacific Ocean in the southwest, the Indian Ocean in the southeast, and the Southern Ocean in the south (other definitions describe the Atlantic as extending southward to Antarctica). The Atlantic Ocean is divided in two parts, by the Equatorial Counter Current, with the North(ern) Atlantic Ocean and the South(ern) Atlantic Ocean split at about 8°N. Scientific explorations of the A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Convoy
A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support and can help maintain cohesion within a unit. It may also be used in a non-military sense, for example when driving through remote areas. Naval convoys Age of Sail Naval convoys have been in use for centuries, with examples of merchant ships traveling under naval protection dating to the 12th century. The use of organized naval convoys dates from when ships began to be separated into specialist classes and national navies were established. By the French Revolutionary Wars of the late 18th century, effective naval convoy tactics had been developed to ward off pirates and privateers. Some convoys contained several hundred merchant ships. The most enduring system of convoys were the Spanish treasure fleets, that sailed from the 1520s until 1790. When merchant ships sailed independently, a privateer cou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River-class Frigate
The River class was a class of 151 frigates launched between 1941 and 1944 for use as anti-submarine convoy escorts in the North Atlantic. The majority served with the Royal Navy and Royal Canadian Navy (RCN), with some serving in the other Allied navies: the Royal Australian Navy (RAN), the Free French Naval Forces, the Royal Netherlands Navy and, post-war, the South African Navy. The first orders were placed by the Royal Navy in 1940, and the vessels were named for rivers in the United Kingdom, giving name to the class. In Canada, they were named for towns and cities, though they kept the same designation. Originally called a "twin-screw corvette", the name "frigate" was suggested by Vice-Admiral Percy W. Nelles of the Royal Canadian Navy. Canada originally ordered the construction of 33 frigates in October 1941. The design was too big for the locks on the Lachine Canal so it was not built by the shipyards on the Great Lakes and therefore all the frigates built in Canada wer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Weir On River Plym
A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level. Weirs are also used to control the flow of water for outlets of lakes, ponds, and reservoirs. There are many weir designs, but commonly water flows freely over the top of the weir crest before cascading down to a lower level. Etymology There is no single definition as to what constitutes a weir and one English dictionary simply defines a weir as a small dam, likely originating from Middle English ''were'', Old English ''wer'', derivative of root of ''werian,'' meaning "to defend, dam". Function Commonly, weirs are used to prevent flooding, measure water discharge, and help render rivers more navigable by boat. In some locations, the terms dam and weir are synonymous, but normally there is a clear distinction made between the structures. Usually, a dam is designed specifically to impound water behind ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cornish Language
Cornish (Standard Written Form: or ) , is a Southwestern Brittonic language, Southwestern Brittonic language of the Celtic language family. It is a List of revived languages, revived language, having become Extinct language, extinct as a living community language in Cornwall at the Last speaker of the Cornish language, end of the 18th century. However, knowledge of Cornish, including speaking ability to a certain extent, continued to be passed on within families and by individuals, and Cornish language revival, a revival began in the early 20th century. The language has a growing number of second language speakers, and a very small number of families now raise children to speak revived Cornish as a first language. Cornish is currently recognised under the European Charter for Regional or Minority Languages, and the language is often described as an important part of Cornish identity, culture and heritage. Along with Welsh language, Welsh and Breton language, Breton, Cornish is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Old English
Old English (, ), or Anglo-Saxon, is the earliest recorded form of the English language, spoken in England and southern and eastern Scotland in the early Middle Ages. It was brought to Great Britain by Anglo-Saxon settlement of Britain, Anglo-Saxon settlers in the mid-5th century, and the first Old English literature, Old English literary works date from the mid-7th century. After the Norman conquest of 1066, English was replaced, for a time, by Anglo-Norman language, Anglo-Norman (a langues d'oïl, relative of French) as the language of the upper classes. This is regarded as marking the end of the Old English era, since during this period the English language was heavily influenced by Anglo-Norman, developing into a phase known now as Middle English in England and Early Scots in Scotland. Old English developed from a set of Anglo-Frisian languages, Anglo-Frisian or Ingvaeonic dialects originally spoken by Germanic peoples, Germanic tribes traditionally known as the Angles, Sa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Navigable River
A body of water, such as a river, canal or lake, is navigable if it is deep, wide and calm enough for a water vessel (e.g. boats) to pass safely. Such a navigable water is called a ''waterway'', and is preferably with few obstructions against direct traverse that needed avoiding, such as rocks, reefs or trees. Bridges built over waterways must have sufficient clearance. High flow speed may make a channel unnavigable due to risk of ship collisions. Waters may be unnavigable because of ice, particularly in winter or high-latitude regions. Navigability also depends on context: a small river may be navigable by smaller craft such as a motorboat or a kayak, but unnavigable by a larger freighter or cruise ship. Shallow rivers may be made navigable by the installation of locks that regulate flow and increase upstream water level, or by dredging that deepens parts of the stream bed. Inland water transport systems Inland Water Transport (IWT) Systems have been used for centuries in c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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