CMP > Exhibits > On-line Catalog > S > Spectra

Spectra allows visitors to play detective, examining the “fingerprints” of elements in the form of spectra. The exhibit provides gas-filled tubes of Argon, Mercury vapor, Neon, Nitrogen, Helium and Xenon. As the exhibit’s pointer is turned, a different element lights up. The emission spectra of the various gases may be examined by selecting a particular gas and viewing it through a diffraction grating.

exhibit specs
36"w X 46"h X 36"d
0.9 amps @ 120 volts
100 lbs.
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