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Hewitt-Sperry Automatic Airplane
The Hewitt-Sperry Automatic Airplane was a project undertaken during World War I to develop a flying bomb, or pilotless aircraft capable of carrying explosives to its target. It is considered by some to be a precursor of the cruise missile. Conceptual development Before World War I, the possibility of using radio to control aircraft intrigued many inventors. One of these, Elmer Sperry, succeeded in arousing the US Navy's interest. Sperry had been perfecting gyroscopes for naval use since 1896 and established the Sperry Gyroscope Company in 1910. In 1911, airplanes had only been flying for eight years, and yet Sperry became intrigued with the concept of applying radio control to them. He realized that for radio control to be effective, automatic stabilization would be essential, so he decided to adapt his naval gyro-stabilizers (which he had developed for destroyers). In 1913, the Navy provided a flying boat to test and evaluate the gyro-based autopilot. Sperry's son Lawrenc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Missile
In military terminology, a missile is a guided airborne ranged weapon capable of self-propelled flight usually by a jet engine or rocket motor. Missiles are thus also called guided missiles or guided rockets (when a previously unguided rocket is made guided). Missiles have five system components: targeting, guidance system, flight system, engine and warhead. Missiles come in types adapted for different purposes: surface-to-surface and air-to-surface missiles (ballistic, cruise, anti-ship, anti-submarine, anti-tank, etc.), surface-to-air missiles (and anti-ballistic), air-to-air missiles, and anti-satellite weapons. Airborne explosive devices without propulsion are referred to as shells if fired by an artillery piece and bombs if dropped by an aircraft. Unguided jet- or rocket-propelled weapons are usually described as rocket artillery. Historically, the word ''missile'' referred to any projectile that is thrown, shot or propelled towards a target; this usage ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aneroid Barometer
A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes in the weather. Many measurements of air pressure are used within surface weather analysis to help find surface troughs, pressure systems and frontal boundaries. Barometers and pressure altimeters (the most basic and common type of altimeter) are essentially the same instrument, but used for different purposes. An altimeter is intended to be used at different levels matching the corresponding atmospheric pressure to the altitude, while a barometer is kept at the same level and measures subtle pressure changes caused by weather and elements of weather. The average atmospheric pressure on the earth's surface varies between 940 and 1040 hPa (mbar). The average atmospheric pressure at sea level is 1013 hPa (mbar). Etymology The word ''barometer'' is derived from the Ancient Greek (), meaning "weight", and (), meaning "measu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cuxhaven
Cuxhaven (; ) is an independent town and seat of the Cuxhaven district, in Lower Saxony, Germany. The town includes the northernmost point of Lower Saxony. It is situated on the shore of the North Sea at the mouth of the Elbe River. Cuxhaven has a footprint of (east–west) by (north–south). Its town quarters Duhnen, Döse and Sahlenburg are especially popular vacation spots on the North Sea and home to about 52,000 residents. Cuxhaven is home to an important fisherman's wharf and ship registration point for Hamburg as well as the Kiel Canal until 2008. Tourism is also of great importance. The city and its precursor Ritzebüttel belonged to Hamburg from the 13th century until 1937. The island of Neuwerk, a Hamburg dependency, is located just northwest of Cuxhaven in the North Sea. The city's symbol, known as the Kugelbake, is a beacon once used as a lighthouse; the wooden landmark on the mouth of the Elbe marks the boundary between the river and the North Sea and also ador ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wilhelmshaven
Wilhelmshaven (, ''Wilhelm's Harbour''; Northern Low Saxon: ''Willemshaven'') is a coastal town in Lower Saxony, Germany. It is situated on the western side of the Jade Bight, a bay of the North Sea, and has a population of 76,089. Wilhelmshaven is the centre of the "Jade Bay" business region (which has around 330,000 inhabitants) and is Germany's main military port. The adjacent Lower Saxony Wadden Sea National Park (part of the Wattenmeer UNESCO World Natural Heritage Site) provides the basis for the major tourism industry in the region. History The , built before 1383, operated as a pirate stronghold; the Hanseatic League destroyed it in 1433. Four centuries later, the Kingdom of Prussia planned a fleet and a harbour on the North Sea. In 1853, Prince Adalbert of Prussia, a cousin of the Prussian King Frederick William IV, arranged the Jade Treaty (''Jade-Vertrag'') with the Grand Duchy of Oldenburg, in which Prussia and the Grand Duchy entered into a contract whereby Old ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
U-boat
U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare role ( commerce raiding) and enforcing a naval blockade against enemy shipping. The primary targets of the U-boat campaigns in both wars were the merchant convoys bringing supplies from Canada and other parts of the British Empire, and from the United States, to the United Kingdom and (during the Second World War) to the Soviet Union and the Allied territories in the Mediterranean. German submarines also destroyed Brazilian merchant ships during World War II, causing Brazil to declare war on both Germany and Italy on 22 August 1942. The term is an anglicised version of the German word ''U-Boot'' , a shortening of ''Unterseeboot'' ('under-sea-boat'), though the German term refers to any submarine. Austro-Hungarian Navy submarines were also ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ralph Earle (American Naval Officer)
Ralph Earle (3 May 1874 – 13 February 1939) served the United States Navy during the Spanish–American War and World War I. He was the Chief, Bureau of Ordnance (BUORD) and retired as a rear admiral in 1927. Biography Earle was born on 3 May 1874 in Worcester, Massachusetts. He graduated from the United States Naval Academy in 1896. He served at sea in several ships, among them , , and . While on board , he won commendations from the President and Secretary of the Navy for his conduct at the time of a disastrous turret explosion. He commanded during the Tampico Affair, and at the U.S. occupation of Veracruz, Mexico, and later commanded . Ashore, Earle had duty at the U.S. Naval Academy and the Naval Proving Ground. An expert on guns and explosives, he was made Chief of the Bureau of Ordnance shortly before the United States entered World War I. Under his administration the North Sea mine barrage was conceived and executed using a new type of mine, and the plan of mount ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rear Admiral
Rear admiral is a senior naval flag officer rank, equivalent to a major general and air vice marshal and above that of a commodore and captain, but below that of a vice admiral. It is regarded as a two star " admiral" rank. It is often regarded as a two-star rank with a NATO code of OF-7. The term originated in the days of naval sailing squadrons and can trace its origins to the Royal Navy. Each naval squadron was assigned an admiral as its head, who commanded from the centre vessel and directed the squadron's activities. The admiral would in turn be assisted by a vice admiral, who commanded the lead ships that bore the brunt of a battle. In the rear of the squadron, a third admiral commanded the remaining ships and, as this section was considered to be in the least danger, the admiral in command of it was typically the most junior. This has continued into the modern age, with rear admiral the most junior admiralty of many navies. In most European navies, the equivalent ran ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alfred V
Alfred may refer to: Arts and entertainment *''Alfred J. Kwak'', Dutch-German-Japanese anime television series *Alfred (Arne opera), ''Alfred'' (Arne opera), a 1740 masque by Thomas Arne *Alfred (Dvořák), ''Alfred'' (Dvořák), an 1870 opera by Antonín Dvořák *"Alfred (Interlude)" and "Alfred (Outro)", songs by Eminem from the 2020 album ''Music to Be Murdered By'' Business and organisations * Alfred, a radio station in Shaftesbury, England *Alfred Music, an American music publisher *Alfred University, New York, U.S. *The Alfred Hospital, a hospital in Melbourne, Australia People * Alfred (name) includes a list of people and fictional characters called Alfred * Alfred the Great (848/49 – 899), or Alfred I, a king of the West Saxons and of the Anglo-Saxons Places Antarctica * Mount Alfred (Antarctica) Australia * Alfredtown, New South Wales * County of Alfred, South Australia Canada * Alfred and Plantagenet, Ontario * Alfred Island, Nunavut * Mount Alfred, British Colu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Long Island
Long Island is a densely populated island in the southeastern region of the U.S. state of New York, part of the New York metropolitan area. With over 8 million people, Long Island is the most populous island in the United States and the 18th-most populous in the world. The island begins at New York Harbor approximately east of Manhattan Island and extends eastward about into the Atlantic Ocean and 23 miles wide at its most distant points. The island comprises four counties: Kings and Queens counties (the New York City boroughs of Brooklyn and Queens, respectively) and Nassau County share the western third of the island, while Suffolk County occupies the eastern two thirds of the island. More than half of New York City's residents (58.4%) lived on Long Island as of 2020, in Brooklyn and in Queens. Culturally, many people in the New York metropolitan area colloquially use the term "Long Island" (or "the Island") to refer exclusively to Nassau and Suffolk counties, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Copiague
Copiague ( ) is a hamlet on Long Island (and census-designated place) in Suffolk County, New York, United States. The population was 23,429 at the 2020 census. Copiague is an unincorporated place within Babylon. Geography Copiague is located at (40.674700, -73.393235). It is approximately east of Manhattan and west of Montauk Point. According to the United States Census Bureau, the CDP has a total area of , of which is land and , or 0.88%, is water. Copiague is bordered by Amityville to the west, North Amityville to the north, Lindenhurst to the east, and the Great South Bay to the south. South of Montauk Highway, Copiague is divided into three major peninsulas: * The southwestern peninsula is known as Amity Harbor and is served by the Amityville Post Office. * The central peninsula is known as Copiague Harbor and is served by the Copiague Post Office. * The southeastern peninsula is known as American Venice and is served by the Lindenhurst Post Office. Demographics ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bureau Of Construction And Repair
The Bureau of Construction and Repair (BuC&R) was the part of the United States Navy which from 1862 to 1940 was responsible for supervising the design, construction, conversion, procurement, maintenance, and repair of ships and other craft for the Navy. The bureau also managed shipyards, repair facilities, laboratories, and shore stations. On 20 June 1940, Congress passed a law which consolidated the Bureau's functions with those of the Bureau of Engineering (BuEng), creating the Bureau of Ships (BuShips). History The Bureau was staffed by officers of the Construction Corps (called constructors) with advanced degrees in naval architecture. Six civilian constructors were hired by the Navy in 1794 to supervise construction of the frigates authorized by Congress that year.Snyder, Philip W., RADM USN "Bring Back the Corps" ''United States Naval Institute Proceedings'' February 1979 p.49 The Bureau of Construction, Equipment, and Repairs was established in 1842 as one of the five or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Josephus Daniels
Josephus Daniels (May 18, 1862 – January 15, 1948) was an American newspaper editor and publisher from the 1880s until his death, who controlled Raleigh's '' News & Observer'', at the time North Carolina's largest newspaper, for decades. A Democrat, he was appointed by President Woodrow Wilson to serve as Secretary of the Navy during World War I. He became a close friend and supporter of Franklin D. Roosevelt, who served as his Assistant Secretary of the Navy and later was elected as United States president. Roosevelt appointed Daniels as his U.S. Ambassador to Mexico, serving from 1933 to 1941. Daniels was a vehement white supremacist and segregationist. Along with Charles Brantley Aycock and Furnifold McLendel Simmons, he was a leading perpetrator of the Wilmington insurrection of 1898. As Secretary of the Navy, Daniels handled policy and formalities in World War I while his top aide, Roosevelt, handled the major wartime decisions. After the Mexican Revolution, as am ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
