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A ballistic chronograph or gun chronograph is a measuring instrument used to measure the velocity of a projectile in flight, typically fired from a gun or other firearm.The instrument is often useful for tasks such as gauging the utility of a firearm or safety of non-lethal projectiles fired from items such as a paintball gun or BB gun.
In the disc drive industry, capacitive displacement sensors are used to measure the runout (a measure of how much the axis of rotation deviates from an ideal fixed line) of disc drive spindles. By knowing the exact runout of these spindles, disc drive manufacturers are able to determine the maximum amount of data that can be placed onto the drives.
The parallax distance of a diopter sight is effectively adjusted to be the same as the sight distance. For example, with a distance of 1 m (1.1 yd) between the front and rear sight, the sighting system is effectively parallax adjusted to a distance of 1 m (1.1 yd) in front of the rear sight.
Mark 37 Director c1944 with Mark 12 (rectangular antenna) and Mark 22 "orange peel" Ship gun fire-control systems (GFCS) are analogue fire-control systems that were used aboard naval warships prior to modern electronic computerized systems, to control targeting of guns against surface ships, aircraft, and shore targets, with either optical or radar sighting.
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An electronic scoring board used for stangskyting in Norway in 2007 showing the number of hits for each shooter after the first half.. Electronic scoring systems or electronic targets are automated scoring systems used for sport shooting where the shot placement and score is automatically calculated using electronics and presented on screens to the organizer and shooters.
The XM17 Modular Handgun System (MHS) competition was a United States Army and United States Air Force competition for a new service pistol. The Modular Handgun System was solicited by a Request for Proposals in September 2015 [1] and is anticipated to be the next U.S. military standard side arm replacing the Beretta M9 and the SIG Sauer M11.
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