Hyannis Harbor Light
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Hyannis Harbor Light
The Hyannis Rear Range Light, also known as the Hyannis Harbor Light, was a lighthouse and, for part of its life, one of a pair of range lights adjacent to Hyannis Harbor. The Range Rear tower was built in 1849 and equipped with a 5th order Fresnel lens in 1856. In 1863 the original birdcage lantern was replaced with a new cast iron one. In 1885, a front range light was added on the Old Colony Railroad Wharf, and the two lights together served to leading vessels to the wharf. The 20 foot Range Rear tower is shorter than most lighthouses, as its purpose was just to guide ships to the wharf. In the early 1800s, the railroad extended from its current terminus at the Hyannis Transportation Center, down what is now Old Colony Road (named after the railroad) to Harbor Road, where it ended in the 300 foot wharf that was a busy area for shipping coal, lumber, grain and fish. Over time, as the channel into the adjacent Lewis Bay was dredged deeper, there was a shift of traffic into Le ...
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Hyannis, Massachusetts
Hyannis is the largest of the seven villages in the town of Barnstable, Massachusetts, in the United States. It is the commercial and transportation hub of Cape Cod and was designated an urban area at the 1990 census. Because of this, many refer to Hyannis as the "Capital of the Cape". It contains a majority of the Barnstable Town offices and two important shopping districts: the historic downtown Main Street and the Route 132 Commercial District, including Cape Cod Mall and Independence Park, headquarters of Cape Cod Potato Chips. Cape Cod Hospital in Hyannis is the largest on Cape Cod. Hyannis is a major tourist destination and the primary ferry boat and general aviation link for passengers and freight to Nantucket Island. Hyannis also provides secondary passenger access to the island of Martha's Vineyard, with the primary passenger access to Martha's Vineyard being located in Woods Hole, a village in the nearby town of Falmouth. Due to its large natural harbor, Hyannis is the l ...
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Fresnel Lens
A Fresnel lens ( ; ; or ) is a type of composite compact lens developed by the French physicist Augustin-Jean Fresnel (1788–1827) for use in lighthouses. It has been called "the invention that saved a million ships." The design allows the construction of lenses of large aperture and short focal length without the mass and volume of material that would be required by a lens of conventional design. A Fresnel lens can be made much thinner than a comparable conventional lens, in some cases taking the form of a flat sheet. The simpler dioptric (purely refractive) form of the lens was first proposed by Count Buffon and independently reinvented by Fresnel. The ''catadioptric'' form of the lens, entirely invented by Fresnel, has outer elements that use total internal reflection as well as refraction; it can capture more oblique light from a light source and add it to the beam of a lighthouse, making the light visible from greater distances. Description The Fresnel lens redu ...
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Hyannis Rear Range Light Old Lantern MA
Hyannis may refer to: * Hyannis, Massachusetts, U.S. * Hyannis Port, Massachusetts, U.S. * Hyannis, Nebraska Hyannis is a village in Grant County, Nebraska. The population was 165 at the time of the 2020 census. It is the county seat of Grant County. It is centrally located in the extensive, unique, and remote region of grasslands known as the Sandhill ..., U.S. * ''Hyannis'' (YTB-817), a U.S. Navy ''Natick''-class large harbor tug 1973—1997 {{disambiguation, geodis ...
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Hyannis Front Range Light MA
Hyannis may refer to: * Hyannis, Massachusetts, U.S. * Hyannis Port, Massachusetts, U.S. * Hyannis, Nebraska Hyannis is a village in Grant County, Nebraska. The population was 165 at the time of the 2020 census. It is the county seat of Grant County. It is centrally located in the extensive, unique, and remote region of grasslands known as the Sandhill ..., U.S. * ''Hyannis'' (YTB-817), a U.S. Navy ''Natick''-class large harbor tug 1973—1997 {{disambiguation, geodis ...
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Lighthouse
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 a ...
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Range Light
Leading lights (also known as range lights in the United States) are a pair of light beacons used in navigation to indicate a safe passage for vessels entering a shallow or dangerous channel; they may also be used for position fixing. At night, the lights are a form of leading line that can be used for safe navigation. The beacons consist of two lights that are separated in distance and elevation, so that when they are aligned, with one above the other, they provide a bearing. Range lights are often illuminated day and night. In some cases the two beacons are unlighted, in which case they are known as a range in the United States or a transit in the UK. The beacons may be artificial or natural. Operation Two lights are positioned near one another. One, called the front light, is lower than the one behind, which is called the rear light. At night when viewed from a ship, the two lights only become aligned vertically when a vessel is positioned on the correct bearing. During t ...
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Hyannis Harbor
Hyannis Harbor is a small natural harbor located in the village of Hyannis in the town of Barnstable, Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England .... External linksCongressional book on construction projects in the harbor {{Coastal waterbodies of Massachusetts Ports and harbors of Massachusetts Geography of Barnstable County, Massachusetts Transportation in Barnstable County, Massachusetts Massachusetts natural resources Barnstable, Massachusetts ...
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Birdcage Lantern
A bird-cage lantern was the style of lantern common to American lighthouses in the early years of the nineteenth century. The lanterns received their name because of their appearance; they are shaped like wire bird cages. When Fresnel lenses were introduced to the country in the 1850s, most lighthouses were retrofitted with new lanterns, as the older ones could not support the new style of lens. Consequently, only four lighthouses with original bird-cage lanterns survive in the United States; those that do were discontinued before they could be fitted for the new lantern. Remaining lanterns * Baileys Harbor Light, Wisconsin *Selkirk Light, New York *Waugoshance Light, Michigan * Prudence Island Light, Rhode Island * Old Cape Henry Light, Virginia Images Image:Sand_Point_Light.jpg, Prudence Island Light File:BaileysHarborLighthouse.jpg, Baileys Harbor Light File:Waugoshance_Light.jpg, Waugoshance Light The ruined lighthouse at Waugoshance protects boats from a shoal area ...
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Lighthouses Completed In 1849
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 ...
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Lighthouses In Barnstable County, Massachusetts
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 a ...
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