File:RCA 7JP4 Electrostatic Picture Tube Front View (late 1940).jpg
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| Description |
English: The 7JP4 was a popular picture tube in small low cost televisions made in the United States in the late 1940's. This picture tube was used in electrostatic deflection TV sets. The United States was one of the few countries that made and sold electrostatic TV's |
| Date | |
| Source | Own work (Original text: Took a picture of my tube collection.) |
| Author | Engradio |
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Engradio at English Wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
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Permission is granted 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. A copy of the license is included in the section entitled GNU Free Documentation License. |
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Transferred from en.wikipedia to Commons by Kelly using CommonsHelper.
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- 2013-04-05 04:16 Engradio 3872×2592× (2640991 bytes) Uploading a self-made file using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]
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| current | 14:38, 23 February 2014 | | 3,872 × 2,592 (2.52 MB) | File Upload Bot (Magnus Manske) (talk | contribs) | Transfered from en.wikipedia by User:Kelly using CommonsHelper |
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