The tower was built around 1450 and served as a navigation mark for seafarers as well as a prison.
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The lighthouse is high and broad. Nowadays it has no importance as a navigation mark and therefore the light is not very strong (ca. 4000 candela). It was totally turned off 1990-93.
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In the Blitz during the Second World War, there was concern that moonlight reflecting on the statues would give a navigation mark to the Luftwaffe. So as part of London's Blackout measures the statues were covered with a "grey sludge".
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The cast iron lighthouse is approximately in height and has a red hexagonal tower with white lantern, and green lens. The lighthouse is a harbour navigation mark and does not emit a flashing light associated with traditional lighthouses. Instead it displays a fixed green luminaire marking the starboard (right hand side) approach to the marina.
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The temple was originally built in the Zhengtong period (1436-1449) of the Ming dynasty (1368-1644). Because it located on the top of Mount Jizu, it also known as Gold Summit Temple. During the Second Sino-Japanese War, the Śūraṅgama Pagoda was used as the navigation mark of The Hump. In 1966, Mao Zedong launched the ten-year Cultural Revolution, the temple was completely destroyed in this massive movement, only the main hall and Śūraṅgama Pagoda survived.
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The Whitefish Point Bird Observatory, an affiliate of the Michigan Audubon Society, operates a research and education facility at Whitefish Point. At 17 miles away, Whitefish Point is the nearest navigation mark to the wreckage of the ore freighter SS Edmund Fitzgerald, which sank in 1975. Every vessel entering or leaving Lake Superior must pass Whitefish Point. Whitefish Point remains one of the most dangerous shipping areas in the Great Lakes,Stonehouse, Frederick (1985, 1998). Lake Superior’s Shipwreck Coast, pp.
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Ordnance Survey: Landranger map sheet 200 Newquay & Bodmin The parish population at the 2011 census was 960. Much of the village land was acquired by compulsory purchase in 1938 to build an RAF Coastal Command Station, RAF St Eval. Many buildings were demolished leaving only the Norman church, the Vicarage, and Trevisker Farm. These buildings were effectively surrounded by RAF activity, and during World War II were taken over for RAF use, with the church tower used as an observation post and navigation mark.
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Peeler Bluff () is a prominent rock bluff along the middle of the west coast of McNamara Island. The island lies within the northern edge of Abbot Ice Shelf, but Peeler Bluff is a conspicuous navigation mark from seaward. This area was explored by personnel aboard the USS Glacier and Staten Island in February 1961. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant Commander James C. Peeler, U.S. Navy, who camped here, February 7–9, 1961, and obtained position data for the bluff and other points in the vicinity.
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He is recognized as LEFÈBVRE-DESNte on the 31st column of the Arc de Triomphe in Paris.Information on the 'Pain de Sucre' from visit and inscription on monument. His widow had an obelisk, known as the "Pain de Sucre" (Sugarloaf) due to its shape and frequent re-painting in white, erected to his memory and that of the sailors who perished with him. It stands above the sea on the crest of a low hill in Sainte-Adresse, now a suburb of Le Havre, and doubled as a navigation mark helping other sailors avoid the hazards in the approach to the port.
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2007 Boston Light was automated in 1998, but is still staffed by resident Coast Guard keeper, Sally Snowman, who is assisted by Auxiliarist watchstanders from the Coast Guard Auxiliary. However, these personnel are mostly used to act as interpretive tour guides for visitors. Its light, flashing white every 10 seconds, shines through the only second-order Fresnel lens still in use in Massachusetts (of only four total), and is visible from a distance of . Although it is still an important navigation mark, its importance has been decreased over the last century by the use of Boston Harbor's North Channel for most large vessels entering the harbor, which is marked by Graves Light.
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Mosman Park was established with the first survey of town lots in 1889 as Buckland Hill, taking its name from the prominent local hill that was a major maritime navigation mark for shipping from the earliest days of colonization. Mosman Park was a major industrial centre for the state with a General Motors car and truck assembly plant (1926-1972), the Colonial Sugar Refinery, the Mt Lyell Farmers' Fertilisers superphosphate works, the W.A. Rope and Twine Works and the West Australian Brushware Co. factory (one of the largest of its kind in Australia). All were closed by the 1970s. Today, almost all of Mosman Park is residential, with significant parklands at Buckland Hill and along the river.
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It was built in the shape of a white cross and was such a good navigation mark for the Luftwaffe, that it was rumoured that there were standing orders to avoid bombing it – hence its popularity with celebrities and the wealthy. Although Michael offered to accept paternity on discovering the news of her pregnancy, Renée refused, as she was unwilling to jeopardise his growing success as a romantic lead in major feature films. However, Rennie kept a watchful eye on John Marshall over the years, even after his marriage to Maggie McGrath, and both families remained in constant touch until Rennie's death. In fact Renée and Maggie lived for many years in the 1970s and 1980s within 200 yards of each other in Barnes and were close friends.
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The Ketch Popoff, approaching Concarneau harbour and passing between the sea mark buoys of the entrance, while an approaching trawler in the background sails around the red buoy A sea mark, also seamark and navigation mark, is a form of aid to navigation and pilotage that identifies the approximate position of a maritime channel, hazard, or administrative area to allow boats, ships, and seaplanes to navigate safely. There are three types of sea mark: beacons (fixed to the seabed or on shore), buoys (consisting of a floating object that is usually anchored to a specific location on the bottom of the sea or to a submerged object) and a type of cairn built on a submerged rock/object, especially in calmer waters. Sea marks are used to indicate channels, dangerous rocks or shoals, mooring positions, areas of speed limits, traffic separation schemes, submerged shipwrecks, and for a variety of other navigational purposes. Some are only intended to be visible in daylight (daymarks), others have some combination of lights, reflectors, bells, horns, whistles and radar reflectors to make them usable at night and in conditions of reduced visibility.
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