object
Astrolabe
A named planispheric sky-measure of later classical Islamic and European practice. Not a sextant, not an armillary-sphere, and not a generic compass.
Also known as Planispheric astrolabe
object
A named planispheric sky-measure of later classical Islamic and European practice. Not a sextant, not an armillary-sphere, and not a generic compass.
Also known as Planispheric astrolabe