The gyrocompass was introduced in 1908 while ship's radar came in after the 1930s.
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A special gyrocompass built by Sperry Rand was installed shortly before the journey.
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Large ships typically rely on a gyrocompass, using the magnetic compass only as a backup.
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A fibre optic gyrocompass is a compass and instrument of navigation.
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Before the success of gyrocompass, several attempts had been made in Europe to use gyroscope instead.
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Gyrocompass is a gyroscope, be it mechanical or fiber optic.
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The shock wave lifted U-68 out of the water like a torpedo hit, and both diesel engines and the gyrocompass were disabled.
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A gyrocompass is similar to a gyroscope.
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A gyrocompass is subject to certain errors.
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More examples
A compass that does not depend on magnetism but uses a gyroscope instead
A gyrocompass is similar to a gyroscope. It is a compass that can find true north by using an electrically powered, fast-spinning gyroscope wheel and frictional or other forces in order to exploit basic physical laws and the rotation of the Earth. Gyrocompasses are widely used on ships. ...