File: Thermionic filament.jpg
From New World Encyclopedia
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:24, 10 March 2007 | | 813 × 758 (148 KB) | Dinshaw Dadachanji (talk | contribs) | [http://en.wikipedia.org/wiki/Image:Thermionic_filament.jpg source and rights] |
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