A Time for Longitude: Navigation Solved In the day of intrepid ocean explorers, no one knew exactly where they were. The challenge of knowing current longitude was a big deal, solved by a clockmaker.

In the day of intrepid ocean explorers, no one knew exactly where they were. The challenge of knowing current longitude was a big deal, solved by a clockmaker.
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#chronometers #johnharrison #latitude #longitude #navigation #history #sciencetechnology