Sometimes a little modern technology can help turn up an ancient treasure — even if that technology is nothing more than a computer screen and a simple web search. That's what happened to Federica ...

The astrolabe, developed in antiquity and elaborated throughout the Middle Ages, was used for calculation, teaching, and observation, and also served astrological and medical purposes. It was the most ...

Its renown in the last of these fields was tied to the Lahore School, which blended Islamic and Sanskritic astronomical methods and produced peerless astrolabes—brass instruments with interlocking ...