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1 set 400 ano antes da era comum - cross staff

Descrição:

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.

Adicionado na linha do tempo:

history project

Byomar cardeanas
13 nov 2017
0
0
450

Data:

1 set 400 ano antes da era comum
Agora
~ 2428 years ago
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