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  2. Dog (engineering) - Wikipedia

    en.wikipedia.org/wiki/Dog_(engineering)

    Unless the dog is engaged, the gear will simply freewheel on the shaft. This word usage is a metaphor derived from the idea of a dog (animal) biting and holding on, the "dog" name derived from the basic idea of how a dog jaw locks on, by the movement of the jaw, or by the presence of many teeth. In engineering the "dog" device has some special ...

  3. Albrecht mortar - Wikipedia

    en.wikipedia.org/wiki/Albrecht_Mortar

    What was needed to overcome the deadlock and give attackers an advantage was light, portable, simple, and inexpensive heavy firepower. A way to provide this was by designing a series of heavy trench mortars which could be brought to forward area trenches to launch heavy, short ranged preparatory bombardments to clear obstacles and neutralize ...

  4. Doglock - Wikipedia

    en.wikipedia.org/wiki/Doglock

    Shown is a small Type 2 English lock of the English Civil War era. The lock is in the full-cock position. The dog has been automatically pushed out of the notch in the back of the cock and is lying back horizontally. [1] A doglock is a type of lock for firearms that preceded the 'true' flintlock in rifles, muskets, and pistols in the 17th century.

  5. Tanks of the interwar period - Wikipedia

    en.wikipedia.org/wiki/Tanks_of_the_interwar_period

    The S 35 had a long 47 mm gun that could kill any tank then in service, as well as heavy cast armour and good speed. A Char B1 bis at the Musée des Blindés at Saumur. The French char de bataille Char B1 tank was a very formidable tank, with heavy cast and riveted armour, the same long 47 mm gun as in the S 35, and a hull-mounted 75 mm ...

  6. Loophole (firearm) - Wikipedia

    en.wikipedia.org/wiki/Loophole_(firearm)

    During the First World War, the static movement of trench warfare and a need for protection from snipers created a requirement for loopholes both for discharging firearms and for observation. [1] Often a steel plate was used with a "key hole", which had a rotating piece to cover the loophole when not in use.

  7. US Army testing roll out of gun-mounted robot dogs in Middle East

    www.aol.com/us-army-testing-roll-gun-064941917.html

    The US Army is testing robot dogs mounted with AI-enabled rifles at a military facility in the Middle East amid rising tensions in the region, according to newly released images.. Photos shared by ...

  8. List of firearms - Wikipedia

    en.wikipedia.org/wiki/List_of_firearms

    This is an extensive list of small arms—including pistols, revolvers, submachine guns, shotguns, battle rifles, assault rifles, sniper rifles, machine guns, personal defense weapons, carbines, designated marksman rifles, multiple-barrel firearms, grenade launchers, underwater firearms, anti-tank rifles, anti-materiel rifle,Anti air cannon and any other variants.

  9. Trench - Wikipedia

    en.wikipedia.org/wiki/Trench

    A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a swale or a bar ditch), and narrow compared with its length (as opposed to a simple hole or pit).