19 июл 201 г. до нашей эры - Astrolabe

Описание:

An instrument for observing the positions of heavenly bodies (stars) that was used before the sextant was invented.
Invented in 200 BC
Invented by Greek astronomer, Hipparchus

Добавлено на ленту времени:

Social Studies: Chapter 3: Exploration and Technology

ByTaylor Petersen

11 окт 2018

766

Дата:

19 июл 201 г. до нашей эры

Сейчас

~ 2228 г назад

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