a: Spectroscope ~
b: telescope with a prism built in
What: This instrument can do two things. It allows an observer to see things that are distant. And it has an internal prism that fractionates the white light entering the telescope into it's component parts, a spectrum. The fractionated light can be used to identify the chemical nature of the object in view.
Useful?
Writer: Not Stated
LCC:
Where: Reference Link Has Evaporated
Date: Feb 24 2014 4:53 PM
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