A brass astrolabe reproduction, cast and hand-engraved with a zodiac ring and a rotating rete pierced to show named stars, its parts turning just as the old instruments did.
At a glance
Turn the rete and the medieval sky turns with it. For roughly a thousand years the astrolabe was the master instrument of astronomer and astrologer alike, used to find the hour of the day or night, to cast a horoscope…