ALTHOUGH the astrolabe has found some support among surveyors, it has not been widely used by British astronomers. An extensive account in English of the practical use of the modern astrolabe has ...

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 ...

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 ...

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.

This is an early scientific instrument called an astrolabe. An astrolabe is both an observing tool - it has a moveable rule at the back with sights that you can use to find the height of stars ...

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 ...

A truth-telling, golden compass. Although the 14th-century astrolabe of Prague, whose image she saw on my phone, is not what she is hoping for. It holds up an enduring truth. It allows many ways ...

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 ...

Shah's father had purchased this astrolabe 40 years ago from a utensils ... "It was the chief navigational instrument until the invention of the compass and sextant. In those days, it was used ...