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liquid compassclick to hear

Instrument with magnets that floats on a liquid; it indicates magnetic north.
liquid compass pivot sliding cover bowl compass card glass dome

pivot click to hear

Axle around which the compass card rotates.

sliding cover click to hear

Retractable cover that protects the glass dome from scratches when not in use.

bowl click to hear

Watertight case containing the magnetic elements, which float in a liquid (oil or alcohol) to reduce oscillations.

compass card click to hear

Rotating disk graduated from 0° to 360° and integrated with two magnets; it shows the cardinal points and the points in between.

glass dome click to hear

Transparent nondistorting hemispherical cover for the bowl containing the liquid.