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Old cordage past its useful service life as lines aboard ship. The strands of old junk were teased apart in the process called picking oakum.
Industry:Boat
Members of a ship's company not required to serve watches. These were in general specialist tradesmen such as the carpenter and the sailmaker.
Industry:Boat
Moment at dawn where, from some point on the mast, a lookout can see above low lying mist which envelops the ship.
Industry:Boat
Navigational instrument showing the direction of the vessel in relation to the Earth's geographical poles or magnetic poles. Commonly consists of a magnet aligned with the Earth's magnetic field, but other technologies have also been developed, such as the gyrocompass.
Industry:Boat
Material applied to a line or spar to prevent or reduce chafing. See Baggywrinkle.
Industry:Boat
Measuring the accuracy in a ship's magnetic compass so its readings can be adjusted - often by turning the ship and taking bearings on reference points.
Industry:Boat
