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Zielgerät 1229
The ''ZG 1229 Vampir'' 1229 (ZG 1229), also known by its code name ''Vampir'', was an active infrared device developed for the ''Wehrmacht'' for the Sturmgewehr 44 assault rifle during World War II, intended primarily for night use. Designed by C.G. Haenel, the Vampir was used in small numbers in the Eastern Front. The system was heavy, with the device itself and a bulky battery backpack weighing in total. The grenadier carrying this was known as a ''Nachtjäger'' (night-hunter). Design The ZG 1229 Vampir weighed and was fitted with lugs on the StG 44 at C.G. Haenel in Suhl, the weapons production facility. As well as the sight and infrared spotlight, there was a wooden-cased battery for the light weighing , and a second battery fitted inside a gas mask container to power the image converter. This was all strapped to a Tragegestell 39 (pack frame 1939). The searchlight consisted of a conventional tungsten light source shining through a filter permitting only infrared li ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thermal Infrared
Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of Light, visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from around 1 millimeter (300 GHz) to the nominal red edge of the visible spectrum, around 700 nanometers (430 Terahertz (unit), THz). Longer IR wavelengths (30 μm-100 μm) are sometimes included as part of the terahertz radiation range. Almost all black-body radiation from objects near room temperature is at infrared wavelengths. As a form of electromagnetic radiation, IR propagates energy and momentum, exerts radiation pressure, and has properties corresponding to Wave–particle duality, both those of a wave and of a Subatomic particle, particle, the photon. It was long known that fires emit invisible heat; in 1681 the pioneering experimenter Edme Mariotte showed that glass, though transparent to sunlight, obstructed rad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Firearm Sights
A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in different countries (see Legal definitions). The first firearms originated in 10th-century China, when bamboo tubes containing gunpowder and pellet projectiles were mounted on spears to make the portable fire lance, operable by a single person, which was later used effectively as a shock weapon in the Siege of De'an in 1132. In the 13th century, fire lance barrels were replaced with metal tubes and transformed into the metal-barreled hand cannon. The technology gradually spread throughout Eurasia during the 14th century. Older firearms typically used black powder as a propellant, but modern firearms use smokeless powder or other propellants. Most modern firearms (with the notable exception of smoothbore shotguns) have rifled barrels to impart spin to the projectile for improved flight stability. Modern firearms can be described by their caliber (i.e. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Research And Development In Nazi Germany
Research is " creative and systematic work undertaken to increase the stock of knowledge". It involves the collection, organization and analysis of evidence to increase understanding of a topic, characterized by a particular attentiveness to controlling sources of bias and error. These activities are characterized by accounting and controlling for biases. A research project may be an expansion on past work in the field. To test the validity of instruments, procedures, or experiments, research may replicate elements of prior projects or the project as a whole. The primary purposes of basic research (as opposed to applied research) are documentation, discovery, interpretation, and the research and development (R&D) of methods and systems for the advancement of human knowledge. Approaches to research depend on epistemologies, which vary considerably both within and between humanities and sciences. There are several forms of research: scientific, humanities, artistic, econom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II German Electronics
In its most general sense, the term "world" refers to the totality of entities, to the whole of reality or to everything that is. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique while others talk of a "plurality of worlds". Some treat the world as one simple object while others analyze the world as a complex made up of many parts. In ''scientific cosmology'' the world or universe is commonly defined as " e totality of all space and time; all that is, has been, and will be". '' Theories of modality'', on the other hand, talk of possible worlds as complete and consistent ways how things could have been. '' Phenomenology'', starting from the horizon of co-given objects present in the periphery of every experience, defines the world as the biggest horizon or the "horizon of all horizons". In ''philosophy of mind'', the world is commonly contrasted with the mind as that which is represented by the mind. ''T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Forgotten Weapons
Forgotten Weapons is a website and channel appearing on YouTube, Utreon and Full30, created and presented by Ian McCollum, that covers the history of antique, obscure, and historically important firearms. Videos Forgotten Weapons frequently features unusual, rare, odd, experimental, or one-off firearms, such as the paratroop versions of the Empire of Japan's Arisaka Type 99 rifle featuring a folding stock attached to a cabinet hinge. McCollum covers the history of such firearms in detail, and often explains how important certain firearms were to the development of weapon technologies and the history of warfare. He also usually explains the functioning and parts of the gun by dissassembling it. McCollum often borrows the firearms from auction houses, most commonly the Rock Island Auction and Morphy Auctions. He has also written books and articles for ''Popular Mechanics'' on the topic of firearms. Platforms McCollum avoids political topics in favor of exclusively covering tech ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MG 42
The MG 42 (shortened from German: ''Maschinengewehr 42'', or "machine gun 42") is a German recoil-operated air-cooled general-purpose machine gun used extensively by the Wehrmacht and the Waffen-SS during the second half of World War II. Entering production in 1942, it was intended to supplement and replace the earlier MG 34, which was more expensive and took much longer to produce, but both weapons were produced until the end of World War II. Designed to use the standard German 7.92×57mm Mauser rifle round, be low-cost and easier to mass-produce, the MG 42 proved to be highly reliable and easy to operate. It is most notable for its very high cyclic rate for a gun using full-power service cartridges, averaging about 1,200 rounds per minute compared to around 850 for the MG 34, and 450 to 600 for other common machine guns like the M1919 Browning, FM 24/29 or Bren gun. This ability made it extremely effective in providing suppressive fire, and its unique sound led to it being ni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MG 34
The MG 34 (shortened from German: ''Maschinengewehr 34'', or "machine gun 34") is a German recoil-operated air-cooled general-purpose machine gun, first tested in 1929, introduced in 1934, and issued to units in 1936. It introduced an entirely new concept in automatic firepower – the ''Einheitsmaschinengewehr'' (Universal machine gun) – and is generally considered the world's first general-purpose machine gun (GPMG). Both the MG 34 and MG 42 were erroneously nicknamed "Spandau" by Allied troops, a carryover from the World War I nickname for the MG 08, which was produced at the Spandau Arsenal. The versatile MG 34 was chambered for the full-power 7.92×57mm Mauser rifle cartridge, and was arguably the most advanced machine gun in the world at the time of its deployment. The MG 34 was envisaged and well developed to provide portable light and medium machine gun infantry cover, anti-aircraft coverage, and even sniping ability. Its combination of exceptional mobility – being ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Near-infrared
Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of Light, visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from around 1 millimeter (300 GHz) to the nominal red edge of the visible spectrum, around 700 nanometers (430 Terahertz (unit), THz). Longer IR wavelengths (30 μm-100 μm) are sometimes included as part of the terahertz radiation range. Almost all black-body radiation from objects near room temperature is at infrared wavelengths. As a form of electromagnetic radiation, IR propagates energy and momentum, exerts radiation pressure, and has properties corresponding to Wave–particle duality, both those of a wave and of a Subatomic particle, particle, the photon. It was long known that fires emit invisible heat; in 1681 the pioneering experimenter Edme Mariotte showed that glass, though transparent to sunlight, obstructed rad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Suhl
Suhl () is a city in Thuringia, Germany, located SW of Erfurt, NE of Würzburg and N of Nuremberg. With its 37,000 inhabitants, it is the smallest of the six urban districts within Thuringia. Together with its northern neighbour-town Zella-Mehlis, Suhl forms the largest urban area in the Thuringian Forest with a population of 46,000. The region around Suhl is marked by up to 1,000-meter-high mountains, including Thuringia's highest peak, the Großer Beerberg (983 m), approximately NE of the city centre. Suhl was first mentioned in 1318 and stayed a small mining and metalworking town, until industrialization broke through in late 19th century and Suhl became a centre of Germany's arms production, specialized on rifles and guns with companies such as Sauer & Sohn. Furthermore, the engineering industry was based in Suhl with Simson (company), Simson, a famous car and moped producer. In 1952, Suhl became one of East Germany's 14 district capitals, which led to a government-dire ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grenadier
A grenadier ( , ; derived from the word '' grenade'') was originally a specialist soldier who threw hand grenades in battle. The distinct combat function of the grenadier was established in the mid-17th century, when grenadiers were recruited from among the strongest and largest soldiers. By the 18th century, the grenadier dedicated to throwing hand grenades had become a less necessary specialist, yet in battle, the grenadiers were the physically robust soldiers who led assaults, such as storming fortifications in the course of siege warfare. Certain countries such as France (Grenadiers à Cheval de la Garde Impériale) and Argentina (Regiment of Mounted Grenadiers) established units of Horse Grenadiers and for a time the British Army had Horse Grenadier Guards. Like their infantry grenadier counterparts, these horse-mounted soldiers were chosen for their size and strength (heavy cavalry). Today, the term is also used to describe a soldier armed with a grenade launcher, a weapo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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