File:Ampli micro téléphon.jpg
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Ampli_micro_téléphon.jpg (787 × 465 pixels, file size: 165 KB, MIME type: image/jpeg)
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| Description |
Français : Amplificateur micro téléphonique est (écouteur actionnant un micro au charbon par une même membrane). Composé de deux éléments micro téléphoniques en série, il atteint le maximum de sensibilité possible. |
| Date | |
| Source | Own work |
| Author | F1jmm |
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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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:52, 20 March 2018 | | 787 × 465 (165 KB) | F1jmm (talk | contribs) | en couleurs avec une pile électrique |
| 22:05, 12 March 2009 |  | 1,168 × 406 (116 KB) | F1jmm (talk | contribs) | {{Information |Description= {{fr| Amplificateur micro téléphonique est (écouteur actionnant un micro au charbon par une même membrane). Composé de deux éléments micro téléphoniques en série, il atteint le maximum de sensibilité possible. }} | |
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