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1 ene 1731 año - Sextant

Descripción:

A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects. The primary use of a sextant is to measure the angle between an astronomical object and the horizon for the purposes of celestial navigation.

Añadido al timeline:

Timeline Project

ByPoop
8 nov 2017

fecha:

1 ene 1731 año
Ahora mismo
~ 293 years ago

Fotos:

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