Their use on astronomical instruments only began in the late 16th century.

There was, however, an excellent exhibit on early astronomical instruments.

Since then, a tremendous variety of complex astronomical instruments have been developed.

Does everyone else know that a vernier has to do with an astronomical instrument?

There is a large collection of ancient and more recent astronomical instruments on display at the museum.

The in-house museum features an interesting collection of astronomical instruments.

He left his clock collection, astronomical instruments and episcopal rings.

He also innovated in the design of mathematical and astronomical instruments.

The work is a description of an astronomical instrument which had been invented at Vienna in 1417.

The hotel, central building and structures for astronomical instruments.

The observatory is home to some of the most sophisticated astronomical instruments and telescopes in the world.

What's the most remarkable aspect of Kepler's performance as an astronomical instrument?

It is a description of celestial bodies and the astronomical instruments existing at the time.

This derives from an older astronomical instrument called a dioptra.

Sisson made large astronomical instruments that were used by several European observatories.

Metius also manufactured astronomical instruments, and developed a special form of Jacob's staff.

A great number of machines, and physical, chemical, and astronomical instruments had been brought from France.

In 1765, he introduced an astronomical instrument fitted with two achromatic lenses.

In 1765 Mohr built a large private observatory that was equipped with the best astronomical instruments of his time.

A scientific book on astronomical instruments in German.

Chinese ideas of astronomy and astronomical instruments became known in Korea as well, where further advancements were also made.

After 1742, he sold his astronomical instruments to Alexander Macfarlane.

With 24 optical and two radio telescopes, it is the largest, most diverse gathering of astronomical instruments in the world.

His will refers to his collection of purchased and constructed astronomical instruments.

He built musical and astronomical instruments and was also a famed religious poet.