Navigational plotting instrument with three adjustable arms that can be aligned to match the relative bearings charted features from a common position.
Related Terms |
AMMETER
An instrument for measuring the magnitude of electric current flow.
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HYDROMETER
An instrument for determining either the specific gravity of a liquid or the API gravity.
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GRID TRACK
The direction of the track relative to grid north
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HUNTING
Fluctuation about a mid-point due to instability, as oscillations of the needle of an instrument about the zero point.
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HELIOCENTRIC
Relative to the sun as a center
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ANEMOMETER
An instrument for measuring the velocity of a fluid.
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FRICTION
The resisting force encountered at the common boundary between two bodies when, under the action of an external force, one body, moves or tends to move relative to the surface of the other.
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GAGE
An instrument or device for measuring, indicating or comparing a physical characteristic.
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FRETTING
Wear phenomena taking place between two surfaces having oscillatory relative motion of small amplitude.
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LAMINAR PARTICLES
Particles generated in rolling element bearings which have been flattened out by a rolling contact.
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