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
Mrs. Riopelle's 5th Grade Class
Дата:
Изображения:
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