WELCOME TO THE STORE Antique Brass 10" Tabletop Armillary Sphere Globes Armillary office Decor Description: Armillary spheres have become an icon of science with their elegant rings and beautiful silhouettes. Eratosthenes may have invented armillary spheres around 255 BC. 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 colors. With the aid of an armillary sphere, one can track the path of the sun for any given day of the year or determine a star's coordinates. The Earth is represented by the brass sphere located at the center of the armillary sphere. Features: Material: Brass Finish: Antique Brass Weight: 800 Gm approx. Base diameter : 4 inches, 10.16 cm Total Height of Armillary - 10.5 inch, 26.67 cm approx. Look Photos For Actual Image Of Product. All Work is Handmade. This is a Reproduction Item, Not Sold As Antique Good Piece of Collection Table Top Decorative PLEASE VISIT OUR STORE TO CHECK MORE BEAUTIFUL ITEMS!!