themagicfarawayttree: “ Diptych Dial, by Thomas Tucher, Nuremberg, c. “Diptych dials are portable instruments, usually made from ivory. They were mainly produced in Nuremberg from the late fifteenth century onwards. They are based on the.
Links between astrolabe & astrology. On 1 side is an astrolabe 4 a single latitude & on th other an astrological volvelle, th positions f planets & other celestial bodies, especially in relation traditional astrological houses