The astrolabe was in use until the last half of the 17th century. The invention of the pendulum clock made clocks much more ...

While it’s nowhere near as complicated an instrument, this astrolabe puts us in the mood to watch the entire Clickspring clock build again. And [Chris] is working on his own ancient instrument ...

Marine archaeologists say the object is an astrolabe, an instrument once used by mariners to measure the altitude of the Sun during their voyages. It is believed to date from between 1495 and 1500.

You’ve reached your account maximum for followed topics. Astrolabe Ascended Card Major Play this card to seek a Realm of moderate danger, populated by the Calcularia and the ruins of humanity's ...