astrolabe

They were also sometimes drawn on the back of astrolabes.

He also wrote two books on using and constructing astrolabes.

Sometimes I feel like a floating plate on an astrolabe.

Astrolabes such as the one given to Jenny, have been in existence for over 2,000 years.

He turned the astrolabe in his hand, manipulating the rule on the back.

The Astrolabe went to its help, and ran aground too.

The astrolabe was a tool used by explorers to help them figure out where they were.

He had found one - and the astrolabe given to Jenny contained the other.

He is credited to have built the first astrolabe in the Islamic world.

It is also the first astrolabe to have been found during an archaeological dig.

"What about the astrolabe you and the professor found?"

To the left of the figures is an astrolabe, or astronomical clock.

It was far more complex than a simple astrolabe.

It is unknown whether he was the maker or owner of the astrolabe.

One reached out and snatched the astrolabe, dragging it off over his head.

"You want to navigate your way back through the Crossroad with an astrolabe, or what?"

Sighter worked hard with his astrolabe to determine their location.

He also wrote a treatise on the construction and use of a universal astrolabe.

There are no known surviving astrolabes based on this treatise.

Examples of early computers are the astrolabe and the abacus.

So Columbus steered by astrolabe and the wind behind his ear.

The player must find 16 amulets to rebuilt the astrolabe.

Astrolabes are the most advanced instruments of their time.

In order to use the astrolabe, the navigator would hold the instrument by the ring at the top.

He moved close to the woman, poked a finger at the astrolabe, and said something that sounded like a question.