File:Telegrafon 8154.jpg
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![File:Telegrafon 8154.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Telegrafon_8154.jpg/800px-Telegrafon_8154.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:09, 25 October 2009 | ![]() | 1,600 × 1,200 (470 KB) | commons>Nico-dk | {{Information |Description={{hu|hu:Valdemar Poulsen mágneses hangrögzítő készüléke 1898-ból. A Brede Værk ipari múzeumban látható a hu:dániai Lingbyben. Saját felvétel.}} {{da|da:Valdemar Poulsen opf |
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