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File:Helium spectra.jpg


English: Helium spectra using a 600lpm diffraction grating.
Date 18:51, 18 April 2010 (UTC)
(18 April 2010 (original upload date))
Source Transferred from en.wikipedia; transferred to Commons by User:João Sousa using CommonsHelper.
(Original text : I ( teravolt ( talk)) created this work entirely by myself.)
Author ( teravolt ( talk)). Original uploader was Teravolt at en.wikipedia
( Reusing this file)

Released into the public domain (by the author).


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