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- leave the barrel of the weapon at the axis of bore set from the angle of sight desired to strike the target area. The trajectory of the round should be...2 KB (342 words) - 12:26, 4 February 2023
Parallax (category Angle)in the apparent position of an object viewed along two different lines of sight and is measured by the angle or half-angle of inclination between those...24 KB (3,841 words) - 01:14, 28 August 2024
advice, however, is to focus on the front sight. Due to parallax, even a tiny error in the angle of sight alignment results in a trajectory that diverges...43 KB (5,691 words) - 01:41, 23 August 2024
geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed...54 KB (6,768 words) - 22:35, 30 August 2024
Sextant (category Angle measuring instruments)navigation. The estimation of this angle, the altitude, is known as sighting or shooting the object, or taking a sight. The angle, and the time when it was measured...22 KB (3,157 words) - 10:00, 28 June 2024
Milliradian (redirect from Mil (angle))as a thousandth of a radian (0.001 radian). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the...41 KB (5,022 words) - 10:21, 29 December 2023
A reflector sight or reflex sight is an optical sight that allows the user to look through a partially reflecting glass element and see an illuminated...33 KB (4,189 words) - 07:46, 28 August 2024
122 mm howitzer 2A18 (D-30) (category Howitzers of the Soviet Union)telescope, a panoramic periscopic indirect-fire sight (dial sight) in a reciprocating mounting, an angle of sight scale, and a range drum for each charge engraved...46 KB (4,019 words) - 21:49, 10 September 2024
D-74 122 mm field gun (category Field artillery of the Cold War)(OP4M), a panoramic periscopic indirect-fire sight, a dial sight, (PG1M), an angle of sight scale, and a range drum for the single charge engraved with...12 KB (1,189 words) - 20:14, 25 August 2024
Abbot (artillery) (category Self-propelled artillery of the United Kingdom)of charges and its compact turret, the Abbot did not have calibrating sights. Instead, the sight mount had both Tangent Elevation (TE) and Angle of Sight...12 KB (1,196 words) - 19:22, 24 May 2024
130 mm towed field gun M1954 (M-46) (category Field artillery of the Cold War)telescope, a panoramic periscopic indirect-fire sight (a dial sight) in a reciprocating mounting, an angle of sight scale, and a range drum engraved with the...34 KB (3,708 words) - 14:45, 2 August 2024
Glaucoma (redirect from Open angle glaucoma)has been called the "silent thief of sight" because the loss of vision usually occurs slowly over a long period of time. A major risk factor for glaucoma...90 KB (9,916 words) - 20:34, 10 September 2024
Norden bombsight (redirect from Norden bomb sight)fixed angle, the range angle, which accounts for the various effects on the trajectory of the bomb. To the operator looking through the sights, the crosshairs...68 KB (9,879 words) - 05:13, 5 July 2024
as it may provide wider angle of sight and less air resistance without obstructing driver's frontal view, though the first of these problems can be alleviated...11 KB (1,286 words) - 10:48, 24 August 2024
telescopic sight, commonly called a scope informally, is an optical sighting device based on a refracting telescope. It is equipped with some form of a referencing...86 KB (10,871 words) - 20:25, 6 August 2024
Stereoscopic rangefinder (category Firearm sights)be used." The angle of sight of a rangefinder and the range to the target can be combined in a simple computer to produce a measurement of altitude. The...5 KB (521 words) - 20:16, 4 December 2023
The Euler angles are three angles introduced by Leonhard Euler to describe the orientation of a rigid body with respect to a fixed coordinate system....48 KB (5,217 words) - 23:24, 1 September 2024
152 mm gun-howitzer D-20 (category Field artillery of the Cold War)(OP4M), a panoramic periscopic indirect-fire sight, a dial sight, (PG1M) in a mounting, an angle of sight scale, and a range drum for each charge engraved...22 KB (2,349 words) - 02:47, 12 September 2024
wind direction knob, the main portion of the sight was pushed to the left or right, indicating the required angle to fly to take the aircraft over the...39 KB (5,700 words) - 15:11, 28 July 2024
Multiview orthographic projection (redirect from First-angle projection)in a box. The same image, with views of the object projected in the direction of sight onto walls using first-angle projection. Similar image showing the...24 KB (3,218 words) - 01:50, 24 March 2024
- tangent of the angle OMS = AXS. This angle is called the angle of elevation; OM is constant and is Fig 3 called the sighting radius. If. the dispart sight were
- the sum of the three angles of the triangle is equal to two right angles, i.e., a straight line]; therefore the angle BAC is equal to the angle FAC, and
- Sight Distance is a length of road surface which a particular driver can see with an acceptable level of clarity. Sight distance plays an important role