the atlas replicated the astrolabe's geographical pinpointing, and the compass was a portable navigator, for example. It's a crying shame that the astrolabe fell so far out of the larger ...

And something in this image snagged Gigante's eye. Sponsor Message "I noticed an object on the corner that looked remarkably like an astrolabe," she says. An astrolabe is a 2D map of the universe ...

the chronometer and the compass - all of them doing a part of the job that the single astrolabe could do alone. Tomorrow we're far south of Spain, way beyond the reach of our astrolabe ...

The Persian Astrolabe is a historical astronomical instrument ... It was the chief navigational instrument until the invention of the compass and sextant. Its many uses included locating and ...

There is an enormous 18th-century compass a drawing instrument familiar ... There is also Queen Elizabeth’s decorously refined astrolabe from 1559, along which a visitor may align a gaze ...

As Gigante began to study the astrolabe – a scientific tool which dates from 11th century Spain and is used to chart stars and other heavenly bodies – she found Arabic and Hebrew inscriptions ...

Recently, an astrolabe dating to the 11th century turned up at the Fondazione Museo Miniscalchi-Erizzo in Verona, Italy. A historian first noticed it in a corner of a photograph while searching ...