Category:1903 in radio
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Internationalization
radio-related events during 1903 | |||||
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Subcategories
This category has only the following subcategory.
P
- Poulsen arc transmitters (1 P, 41 F)
Media in category "1903 in radio"
The following 6 files are in this category, out of 6 total.
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PSM V63 D452 Marconi metallic filings kumascope.png 616 × 353; 13 KB
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PSM V63 D555 Italian navy self restoring kumascope.png 498 × 479; 63 KB
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Tracciato Marconigramma.jpg 2,880 × 4,320; 6.12 MB
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Trascrizione Marconigramma.jpg 4,320 × 2,880; 6.12 MB
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Trasmissione del primo marconigramma.jpg 792 × 560; 136 KB
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