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File:Thermionic filament.jpg
From WikiMD's Food, Medicine & Wellness Encyclopedia
![File:Thermionic filament.jpg](/w/images/thumb/d/dc/Thermionic_filament.jpg/643px-Thermionic_filament.jpg)
Size of this preview: 643 × 600 pixels. Other resolution: 731 × 682 pixels.
Original file (731 × 682 pixels, file size: 135 KB, MIME type: image/jpeg)
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:14, 13 February 2013 | ![]() | 731 × 682 (135 KB) | Soerfm | Crop |
File usage
The following file is a duplicate of this file (more details):
- File:Thermionic filament.jpg from Wikimedia Commons
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