30
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
238877
20886
2

1 sept. 400 av. J.-C. - cross staff

Description:

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.

Ajouté au bande de temps:

13 nov. 2017
0
0
356

Date:

1 sept. 400 av. J.-C.
Maintenaint
~ Il y a 2426 ans