Image: Helium discharge tube
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Original image (3,008 × 2,008 pixels, file size: 1.29 MB, MIME type: image/jpeg)
Description: Spectrum = gas discharge tube: the noble gas: helium He. Used with 1,8kV, 18mA, 35kHz. ≈8" length.
Title: Helium discharge tube
Credit: Own work
Author: Alchemist-hp (talk) (www.pse-mendelejew.de)
Usage Terms: GNU Free Documentation License 1.2
License: GFDL 1.2
License Link: http://www.gnu.org/licenses/old-licenses/fdl-1.2.html
Attribution Required?: Yes
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