This item originated in 255 BC
The circumferences that compose it represent the celestial equator, the ecliptic, the zodiac horizon, etc. so that by focusing on a star, it was possible to observe the coordinates through graduated scales.
The manufacture of this sphere is entirely handmade in wood and brass.
It is accompanied by a small manual with the history of this instrument and instructions on how to use it.
Characteristics:
- Height: 350 mm
- Diameter: 20cm