Which navigational challenge did Harrison's H4 chronometer overcome in 18th-century long-distance maritime navigation?

💡 Explanation

The H4 chronometer, developed by John Harrison, helped resolve the 'longitude problem' because it maintained accurate time at sea, enabling calculation of the time difference relative to a reference meridian, thus giving longitude. Therefore, accurate measurements of longitude result rather than measuring latitude, speed, or weather patterns which relied on separate instruments and techniques.

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