A shield placed over a radarscope, to eliminate extraneous ligh
Related Terms |
INSTRUMENT SHELTER
A cage or screen in which a thermometer and sometimes other instrument are placed to shield them from the direct rays of the sun and from other conditions that would interfere with registration of true conditions. It is usually a small wooden structure with louvered sides.
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DODGER
A shield against rain or spray on a ship's bridge.
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CAP CLOUD
1. A cloud resting on the top of an isolated mountain peak. The cloud appears stationary, but actually is being continually formed to windward and dissipated to leeward. A similar cloud over a mountain ridge is called a CREST CLOUD. See also BANNER CLOUD. 2. False cirrus over a towering cumulus, in the form of a cap or hood
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EYE GUARD
A guard or shield on an eyepiece of an optical system, to protect the eye from stray light, wind, etc., and to maintain proper eye distance. Also called EYE SHIELD, EYE SHADE, SHADE.
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BREAKWATER
Plates fitted on a forward weather deck to form a V-shaped shield against water that is shipped over the bow
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SHIELD
A metal housing around an electrical or magnetic element to eliminate or reduce the effect of its electric or magnetic field, or to reduce the effect of an exterior field on the element.
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SNAP RING
A removable ring used to axially position a bearing or outer ring in a housing. Also used as a means of fastening a shield or seal in a bearing.
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COWL
The hood shaped cap of a ventilator.
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UMBRELLA
The cone-shaped shield at the top of the funnel.
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BARRICADE SHIELD
A type of movable shield made of a material designed to absorb ionizing radiation, for protection from radiation.
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