spectroscope

They may be discovered with the spectroscope on any clear day.

In late August 1861 he wrote his first book on the spectroscope.

I'll put one of the stones in a spectroscope to make sure."

Then he analyzed all the material under a Swift spectroscope.

"Well, if you've ever looked through a spectroscope, you know that every substance gives off its own special kind of radiation."

Here the young inventor examined the statue quickly under a spectroscope.

Here he set up a spectroscope from his luggage, and examined the light that was pouring in.

Dan finished his centrifuge test, and then he took the water over to the spectroscope.

Just as a telescope collects light, so a spectroscope splits it up.

Vogel was one of the first astronomers to use a spectroscope in astronomy.

Tom exulted, after testing the gas with a Swift spectroscope.

He tested the substance with his Swift spectroscope, then nodded without speaking.

Significant advances in astronomy came about with the introduction of new technology, including the spectroscope and photography.

Cat's Eye was the first planetary nebula to be observed with a spectroscope.

Using a spectroscope, they viewed certain bright emission lines.

It wasn't until we tried the spectroscope that we caught on to just what was the matter.

"But the spectroscope shows that it's pure oxygen," Bud spoke up.

It was the first eclipse expedition in which a spectroscope was used.

"Have you got a spectroscope report on it?"

Then with a tiny spectroscope of high power he examined the lines of the metal.

Viewed through the spectroscope in a strong light, it generally shows three characteristic absorption bands.

"But after all," he said at last, with an awkward movement towards his spectroscope, "that does signify something."

As a result of this discovery, Tom had invented the Swift spectroscope.

And because their atoms are different, they each give off a distinct type of radiation, which can be seen under a spectroscope."

By October of that year the two scientists had invented an appropriate instrument, a prototype spectroscope.