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1 сент 400 г. до нашей эры - cross staff

Описание:

The cross-staff is an instrument used to measure angles and altitudes, consisting of a trigonometrically graduated staff and one or more perpendicular vanes moving over it.

Добавлено на ленту времени:

history project

Byomar cardeanas
13 ноя 2017
0
0
450

Дата:

1 сент 400 г. до нашей эры
Сейчас
~ 2428 г назад
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