File:Helium spectra.jpg

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Summary

Description	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
Permission ( Reusing this file)	Released into the public domain (by the author).

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This work has been released into the public domain by its author, Teravolt at the wikipedia project. This applies worldwide.

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