The astrolabe, a complex instrument utilized by ancient mariners, is key to establishing latitude by observing celestial ...

Over 2,000 years ago, one or more such scientific thinkers invented the Astrolabe, a calculator that was capable of solving astronomical problems. Such a device would have been invaluable to ...

The identification of an eleventh-century Islamic astrolabe bearing both Arabic and Hebrew inscriptions makes it one of the oldest examples ever discovered and one of only a handful known in the ...

The University of Sharjah hosted an astrolabe workshop in which western scientists showed participants how an astronomical instrument made by an ancient Muslim scholar nearly 1,000 years ago ...

What I'm holding is a portable model of the heavens, in the shape of an exquisite, circular brass instrument that looks a bit like a large brass pocket watch, and it's called an astrolabe.

This clock represents the pinnacle of achievement in horology for the late 17C. How Thomas Tompion who made it acquired his outstanding scientific and technical skills is not known. The 'face' has ...

The astrolabe was a mathematical instrument which was used to carry out astronomical measurements, to calculate the positions of the sun and the stars, and to tell the time. This one was made in ...