25 янв 1736 г. - John Harrison
Описание:
In 1736, after years of work, Harrison invented a clock that used a spring instead of a pendulum. It was the first marine chronometer, an instrument that could give accurate time on a rolling ship.(https://divediscover.whoi.edu/history-of-oceanography/the-age-of-discovery/)
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Дата:
25 янв 1736 г.
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~ 289 г назад