Until that time, the Antikythera mechanism's function was largely unknown, though it had been correctly identified as an astronomical device, perhaps being an astrolabe.

Rather than a monument, the park's main decorative element is a modern rendering of an ancient astronomical device called The Armillary.

He had a special liking for astronomical devices.

It was a gnomon, Silas had been told, a pagan astronomical device like a sundial.

Price had speculated that the mechanism, dating from 50 BC, was an astronomical calculating device.

Around an office corner, an artist is gold-leafing an eight-foot-wide armillary sphere, an astronomical device.

Constellations are an astronomical device for handling observation and precision independent of current physical theory or interpretation.

Various other 18th and 19th centuries vintage spectrometers and sextants, along with other astronomical devices.

It's an astronomical device then, yes I see.

In many areas across the prairies, large circular medicine wheels were made as astronomical devices, directional maps, and for ceremonial use.