File:Vacuum Tube G1 SEM Image.jpg

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English: A Scanning electron microscope image of the G1 (Control Grid) support of a heavily used Vacuum tube Pentode, showing Barium oxide Contamination (green) from the cathode imaged in Secondary electrons, Hand Colored. Image courtesy of Bochtler Scientific
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Author Lbochtler

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12 September 2020

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current09:39, 15 September 2020Thumbnail for version as of 09:39, 15 September 2020800 × 800 (407 KB)LbochtlerCross-wiki upload from en.wikipedia.org

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