The Infra-Red Spectrum of Helium in a Long Discharge Tube Dissertation Submitted to the Board of University Studies of the Johns Hopkins University in Conformity With the Requirements for the Degree of Doctor of Philosophy (Classic Reprint)

Excerpt from The Infra-Red Spectrum of Helium in a Long Discharge Tube: Dissertation Submitted to the Board of University Studies of the Johns Hopkins University in Conformity With the Requirements for the Degree of Doctor of Philosophy
Considering the importance of holim in the theories of atomic structure, relatively little study has been given to its infra - red spectrum. The spectra of helium are a line spectrum due to neutral helium, a line spectrum due to ionized helium, and a band spectrum.
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