Image:Thermionic filament.jpg
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[edit] Summary
Closeup of a filament in a germicidal lamp showing thermionic coating.
[edit] Licensing
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I, the creator of this work, hereby grant the permission to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers. |
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 21:44, 13 January 2007 | 813×758 (148 KB) | Deglr6328 (Talk | contribs) | (unsharp mask ) |
| 21:19, 13 January 2007 | 813×758 (127 KB) | Deglr6328 (Talk | contribs) | (Closeup of a filament in a germicidal lamp showing thermionic coating. ) |
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