Category:Théâtrophone
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Media in category "Théâtrophone"
The following 10 files are in this category, out of 10 total.
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Adersches Kohlemikrophon.jpg 404 × 468; 61 KB
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Theatrophon Empfangsgerat.jpg 921 × 870; 153 KB
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Theatrophon Mikrofone Paris Opera.jpg 246 × 148; 39 KB
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Theatrophon vermittlungsstelle.GIF 360 × 232; 52 KB
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Theatrophone - Affiche de Jules Cheret.jpg 279 × 400; 63 KB
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Theatrophone - Clement Ader 1881.JPG 283 × 502; 22 KB
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Theatrophone - Perron.jpg 389 × 558; 50 KB
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Theatrophone - Rafael Bordalo Pinheiro caricature.jpg 340 × 447; 36 KB
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Theatrophone central switchboard (1925).jpg 580 × 420; 133 KB
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Theatrophone.jpg 579 × 400; 78 KB
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