Category:1890 in radio

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1890s in radio : ←; 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1898; 1899; →

Internationalization

Deutsch: Hörfunkjahr 1890

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English: 1890 in radio

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Svenska: Radioåret 1890

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Media in category "1890 in radio"

The following 2 files are in this category, out of 2 total.

Branly coherer.png 431 × 558; 16 KB
Émetteur à bobine de Ruhmkorff.JPG 772 × 1,179; 66 KB

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