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A double Porro prism system reflects light four times. Porro prisms are most often used in pairs, forming a double Porro prism. A second prism rotated 90° with respect to the first, is placed such that light will traverse both prisms. The net effect of the prism system is a beam parallel to but displaced from its original direction, with the ...
A conceptual diagram of the flow of fire control data in the Coast Artillery (in 1940). The set forward point of the target was generated by using the plotting board (1). This position was then corrected for factors affecting range and azimuth (2). Finally, fire was adjusted for observations of the actual fall of the shells (3), and new firing ...
PRISM (Power Reactor Innovative Small Module, sometimes S-PRISM from SuperPRISM) is a nuclear power plant design by GE Hitachi Nuclear Energy (GEH). Design [ edit ] The S-PRISM represents GEH's Generation IV reactor solution to closing the nuclear fuel cycle and is also part of its Advanced Recycling Center (ARC) proposition [1] to U.S ...
The Porro–Abbe system reduces the lateral beam axis offset by 23% compared to a traditional double Porro prism system in binoculars. The prism is not dispersive since light enters and exits the prism only at normal incidence. Since the light is four times reflected, an even number of times, the image's handedness is not changed. For ease of ...
Agency executive. Jeff Zmuda, Secretary of Corrections. Website. doc .ks .gov. The Kansas Department of Corrections (KDOC) [1] is a cabinet-level agency of Kansas that operates the state's correctional facilities, both juvenile and adult, the state's parole system, and the state's Prisoner Review Board. It is headquartered in Topeka.
The M1156 Precision Guidance Kit (PGK), formerly XM1156, is a U.S. Army-designed precision guidance system to turn existing 155 mm artillery shells into smart weapons. The prime contractor was Alliant Techsystems – later merging with Orbital Sciences Corporation to form Orbital ATK, in turn being taken over by Northrop Grumman and renamed Northrop Grumman Innovation Systems – and the ...
The Puerto Rico Department of Correction and Rehabilitation ( Departamento de Corrección y Rehabilitación de Puerto Rico) is the law enforcement executive department of the government responsible for structuring, developing, and coordinating the public policies in Puerto Rico, an unincorporated territory of the U.S.
StarFire (navigation system) StarFire is a wide-area differential GPS developed by John Deere 's NavCom and precision farming groups. StarFire broadcasts additional "correction information" over satellite L-band frequencies around the world, allowing a StarFire-equipped receiver to produce position measurements accurate to well under one meter ...