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Eng ID | Term | Definition |
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921 | compass: inverted | See COMPASS: HANGING. |
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922 | compass: liquid | A MAGNETIC COMPASS having a bowl completely filled with liquid in order to damp the swinging of the card. Sometimes called spirit compass, o... more |
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923 | compass: magnetic | A COMPASS depending for its directive force upon the attraction of the MAGNETISM of the EARTH for a MAGNET free to turn in an horizontal di... more |
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924 | compass: master | A COMPASS controlling one or several REPEATERS. |
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925 | compass: master gyro | A GYROSCOPIC COMPASS for controlling one or several remote indicators, called GYRO REPEATERS. |
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926 | compass: overhead | See COMPASS: HANGING. |
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927 | compass: pocket | A portable COMPASS (employed in COASTLINING or RECONNAISSANCE SURVEY). |
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928 | compass: sky | A type of ASTRO COMPASS which utilizes the POLARIZATION of sunlight in the sky, designed for use in the arctic during long periods of TWILIG... more |
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929 | compass: spirit | See COMPASS: LIQUID. |
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930 | compass: standard | A COMPASS designated as the STANDARD for a vessel. It is located in a favourable position and is accurately calibrated. |
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931 | compass: steering | The COMPASS placed next to the steering wheel, by which the COURSE is steered. See also STEERING REPEATER. |
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932 | compass: sun | A form of ASTRO COMPASS utilizing the shadow of a GNOMON. |
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933 | compass: surveyor's | An instrument for determining a MAGNETIC BEARING of a LINE OF SIGHT by the use of a sighting device, a graduated HORIZONTAL CIRCLE and a piv... more |
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934 | compass: trough | See DECLINATOIRE. |
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935 | compass: tubular | A COMPASS supplied for attachment to certain types of LEVELS and THEODOLITES. |
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936 | compass: wet | See COMPASS: LIQUID. |
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937 | compass adjustment | See COMPENSATION OF MAGNETIC COMPASS. |
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938 | compass adjustment buoy | A BUOY placed at a favourable location to assist a vessel to adjust its COMPASS or swing ship. Also called swinging buoy. See also SWINGING ... more |
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939 | compass bearing | See BEARING. |
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940 | compass bowl | That part of a COMPASS in which the COMPASS CARD is mounted. A magnetic compass bowl is usually filled with liquid. The compass bowl turns w... more |