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1 sett 400 anni a. C. - cross staff

Descrizione:

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.

Aggiunto al nastro di tempo:

history project

Byomar cardeanas
13 nov 2017
0
0
450

Data:

1 sett 400 anni a. C.
Adesso
~ 2428 years ago
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