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NOBLE GAS DISCHARGE TUBES<br />
Neon in Discharge Tube<br />
Atoms of the gases emit photons of  their characteristic spectral color when excited by the flow of electrons in discharge tubes.

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NOBLE GAS DISCHARGE TUBES
Neon in Discharge Tube
Atoms of the gases emit photons of their characteristic spectral color when excited by the flow of electrons in discharge tubes.

Copyright:© 1984 Chip Clark - Fundamental Photographs

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