5 Surprising Facts About Brass Armillaries
- These instruments are made up of a set of graduated rings representing circles on the celestial sphere, such as the meridian, equator, ecliptic horizon, tropics, and colures.
- It can be track the path of the sun for any given day of the year or determine a star''s coordinates.
- This instruments designed to demonstrate the movement of the celestial sphere about a stationary Earth at its centre .
- The brass armillary Dimensions are : 8.5in x W: 4.5in x H: 11in