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9 Cards in this Set
- Front
- Back
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Swing circle |
Amount of chain released Distance hawspipe plus ships length |
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Drag circle |
Amount of chain released Distance hawspipe to pelorus |
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Stadimeter |
Measures distance of an object of known height such as mast |
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Sextant |
Precision instrument that can measure angles in degrees minutes and seconds |
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Chronometer |
Highly accurate clock |
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3 methods of attaining ships position |
Electronic visual celestial |
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Barometer |
Instrument for measuring atmospheric pressure |
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Psychrometer |
Instrument used for determining atmospheric humidity consisting of dry bulb and wet bulb thermometers |
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Tell tale panel |
Panel which indicates ships running light configuration also indicates whether running lights are on primary or secondary filaments using red amber or buzzer modes |
