Saturday, February 23, 2013
What is an Armillary?
An armillary sphere is a model of objects in the sky which consists of a spherical framwork of rings of rings. They are centered on the Earth.
Erastothenes (276- 194 BC) invented the armillary from the armilla or circle or bracelet. It's modern use in the garden as a focal point and centerpiece is common.
The flag of Portugal contains an outline of an armillary which was used as a navigational aide for Portugese sailors.
Posted by Lara Sweet at 2/23/2013