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 | Spitbank Fort was a Royal Commission fort built between 1867 and 1878, the smallest of the 3 main forts in the Solent off Portsmouth, England. It is 162 feet across, with 1 floor and a basement, and armour plating only on the seaward side. It was originally planned to have armed with 9 10" eighteen ton RML guns on the seaward side, and 6 7" seven ton RML guns on the landward side. In fact 12.5"... |  | 03/04/2006 | 190 | 



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 | Fort Warren defended the harbor at Boston, Massachusetts, for over 100 years. onstruction of the penatagonal-shaped granite fort began in 1833 and was fully completed shortly after the Civil War. Today, the Massachusetts Department of Conservation and Recreation maintains the fort. An estimated 100,000 tourists visit the fort each year. |  | 10/22/2005 | 325 | 



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 | The construction work for Fort de Douaumont started in 1885 and the fort was continually reinforced until 1913. The fort is situated on some of the highest ground in the area. It has a total surface area of 30,000 square metres and is approximately 400 metres long, with two subterranean levels protected by a steel reinforced concrete roof 12 metres thick. The fort was equipped with numerous arm... |  | 11/04/2008 | 682 | 



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 | The battery comprises three of these guns in single-gun mounts in open emplacements (one Vickers Ltd and two Vickers-Armstrong 1926 models); two were brought from Campelo Alto (Galicia) and their emplacement was completed in October 1941. During the proof firing, the second gun was destroyed by a premature explosion. Two more guns were brought from Favarix battery (Menorca) and were ready in Ja... |  | 04/03/2007 | 347 | 



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 | A image error shows the lighthouse on the Breakwater near Plymouth Sound twice. Also in the middle of the Breakwater is the Breakwater Fort. Building work on the Breakwater Fort started in 1860 and went on until 1880. It was part of the ring around Plymouth, coming between Fort Bovisand to the east and Picklecombe Fort to the west. It had 2-foot thick steel armour-plating, and a gun hoist (stil... |  | 10/15/2007 | 1,327 | 



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 | Fort Flagler was built along with Fort Casey and Fort Worden to form a "triangle of fire" to protect the entrance to Puget Sound at Admiralty Inlet, and gun batteries in each of these forts face Puget Sound. Situated on the western side of Puget Sound, Fort Flagler's batteries face eastward. In addition to the gun emplacements, the fort has historical barracks and officers' quarters, ... |  | 04/09/2007 | 497 | 



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 | This is the historic location of the Henry Armstrong FM Tower located in Alpine, NJ.
This tower was the site of the first FM radio broadcast.
Henry Armstrong Invented FM radio and the superhetrodyne reciever.
|  | 11/21/2005 | 153 | 



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 | Fort Segarra is an underground fort, part of the United States' defense strategies during World War II. Its purpose was to help protect a submarine base on St. Thomas. The war ended before its completion and the project was subsequently abandoned. Visitors to Water Island can view gun emplacements, walk inside tunnels and visit underground rooms. The observation deck on the roof of the fort off... |  | 04/19/2007 | 364 | 



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 | An aerial reconnaissance picture of Fort Douaumont after heaviest bombardment during WWI.
The construction work for Fort de Douaumont started in 1885 and the fort was continually reinforced until 1913. The fort is situated on some of the highest ground in the area. It has a total surface area of 30,000 square metres and is approximately 400 metres long, with two subterranean leve... |  | 08/13/2005 | 495 | 
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 | A Confederate POW cemetery was created here in 1863. The POWs were held in Fort Delaware. Earthwork fortifications were also built here for ten (15-inch and 10-inch) Rodman guns on wooden carriages and platforms. Finns Point Battery was first located here in 1872. Only two gun emplacements and five magazines in the mortar battery were completed before construction was halted. Two 1872 magazines... |  | 04/13/2007 | 429 | 



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 | This photo was taken 28 hours after the explosion, at ground zero. The circle at bottom right is where the 100-ton test was conducted on May 7, 1945. |  | 08/24/2007 | 1,481 | 



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 | Fired from the castle at 13.00 every day (except Sunday)this gun lets the people of Edinburgh know when its time for a sandwich. If you are on Princes St (the shopping street below the castle)when it fires, you will notice many people checking their watch, just to make sure it's on time.
The gun is a L118 Light Gun. |  | 01/04/2007 | 347 | 



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