object
Torquetum
A named medieval equatorial instrument that converts horizon angles into equatorial coordinates with stacked discs. Not a published astrolabe, not an equatorium, and not an armillary-sphere alone.
Also known as Turketum · Torqueto
object
A named medieval equatorial instrument that converts horizon angles into equatorial coordinates with stacked discs. Not a published astrolabe, not an equatorium, and not an armillary-sphere alone.
Also known as Turketum · Torqueto