25 ene 1736 año - John Harrison

Descripción:

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/)

Añadido al timeline:

fecha:

Fotos: