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  2. Osborne Fire Finder - Wikipedia

    en.wikipedia.org/wiki/Osborne_Fire_Finder

    However, in actual practice, fire distance and location were normally established using two or more Fire Finder-equipped towers, using the intersection method to fix the precise location of the fire. [ 2 ] [ 3 ] Dispatchers at a central facility used a compass rose to mark lines of position from each reporting tower onto a large map to quickly ...

  3. Gunfire locator - Wikipedia

    en.wikipedia.org/wiki/Gunfire_locator

    Shooting Detector Diagram. A gunfire locator or gunshot detection system is a system that detects and conveys the location of gunfire or other weapon fire using acoustic, vibration, optical, or potentially other types of sensors, as well as a combination of such sensors. These systems are used by law enforcement, security, military, government ...

  4. Firing pin - Wikipedia

    en.wikipedia.org/wiki/Firing_pin

    The hammer and fixed firing pin of a Smith & Wesson Model 13 revolver. A firing pin or striker is a part of the firing mechanism of a firearm that impacts the primer in the base of a cartridge and causes it to fire. In firearms terminology, a striker is a particular type of firing pin where a compressed spring acts directly on the firing pin to ...

  5. List of fire lookout towers - Wikipedia

    en.wikipedia.org/wiki/List_of_fire_lookout_towers

    Summit Ridge Fire Lookout, 6,082', 67.5' tower, last staffed in 1972. Rankin Ridge Fire Lookout, Wind Cave National Park, replaced the Crow's Nest Peak tower, 5,013'. Mt Coolidge Fire Lookout Custer State Park still in service. Battle Mountain Fire Lookout, Hot Springs, SD, Fall River Co, 4,363', 22' tower.

  6. Vickers machine gun - Wikipedia

    en.wikipedia.org/wiki/Vickers_machine_gun

    This plunging fire was used to great effect against road junctions, trench systems, forming up points, and other locations that might be observed by a forward observer, or zeroed in at one time for future attacks, or guessed at by men using maps and experience. Sometimes a location might be zeroed in during the day, and then attacked at night ...

  7. Pinfire cartridge - Wikipedia

    en.wikipedia.org/wiki/Pinfire_cartridge

    The pin-fire (or pinfire) is a type of metallic cartridge used in firearms, where the priming compound is ignited by striking a small pin that protrudes radially from above the base of the cartridge. Invented by Frenchman Casimir Lefaucheux in 1832, [ 1 ] but not patented until 1835, [ 2 ] it was one of the earliest practical designs of a ...

  8. Free-fire zone - Wikipedia

    en.wikipedia.org/wiki/Free-fire_zone

    Free-fire zone. A free-fire zone in U.S. military parlance is a fire control measure, used for coordination between adjacent combat units. The definition used in the Vietnam War by U.S. troops may be found in field manual FM 6-20: A specific designated area into which any weapon system may fire without additional coordination with the ...

  9. Slamfire - Wikipedia

    en.wikipedia.org/wiki/Slamfire

    Schematic of an Advanced Primer Ignition blowback operation that works in a similar way to slamfire by striking the cartridge as its moving forward before it is fully chambered. A slamfire is a discharge of a firearm occurring as a cartridge is being loaded into the chamber. Some firearms are designed to slamfire, but the term also describes a ...

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