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1 янв 1730 г. - [1730] John Hadley invents the octant.

Описание:

The octant is a measuring instrument that would be aligned with the horizon to greatly assist with navigation. It reflects two images together, usually the sun and the horizon to determine the latitude at sea.

Добавлено на ленту времени:

Scientific Revolution / Enlightenment Timeline

ByJustin Roche
26 окт 2018

Дата:

1 янв 1730 г.
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~ 294 г назад
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