Category:Telephone microphones (carbon microphones)
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Media in category "Telephone microphones (carbon microphones)"
The following 36 files are in this category, out of 36 total.
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Carbon button microphone 1916.png 745 × 603; 102 KB
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Carbon button microphone cutaway.png 727 × 874; 134 KB
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Carbon Button Microphone.JPG 640 × 480; 47 KB
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Coal microphone.jpg 827 × 610; 51 KB
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Ericsson carbon microphone opened.jpg 2,117 × 1,438; 650 KB
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FeAp 92-1a - handset - mouthpiece Fernsig 5620dyn-5603.jpg 2,926 × 2,926; 4.49 MB
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FeAp 92-1a - handset - mouthpiece Fernsig 5620dyn-5604.jpg 2,964 × 2,964; 4.32 MB
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FeAp 92-1a - handset - mouthpiece Fernsig 5620dyn-5605.jpg 3,594 × 2,696; 3.8 MB
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First Phone.jpg 436 × 303; 42 KB
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Kellogg Candlestick Telephone.JPG 2,700 × 3,031; 899 KB
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Kohlemikrofon.png 153 × 303; 116 KB
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Kohlemikrophon.jpg 830 × 924; 88 KB
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Kohlemikrophon2.jpg 1,254 × 939; 153 KB
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Microfono a carbone Delville - Museo scienza tecnologia Milano 08282 01.jpg 1,280 × 853; 54 KB
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Microfono a carbone Delville - Museo scienza tecnologia Milano 08282 02.jpg 1,280 × 853; 60 KB
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Microfono a carbone Kellogg - Museo scienza tecnologia Milano 08283 01.jpg 1,280 × 853; 71 KB
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Microfono a carbone Kellogg - Museo scienza tecnologia Milano 08283 02.jpg 1,280 × 853; 60 KB
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Microfono a carbone Kellogg - Museo scienza tecnologia Milano 08283.jpg 1,280 × 853; 58 KB
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Microfono a carbone Solid back - Museo scienza tecnologia Milano 08284 03.jpg 1,280 × 853; 123 KB
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Microfono a carbone Solid back - Museo scienza tecnologia Milano 08284.jpg 1,280 × 853; 59 KB
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PSM V17 D027 Carbon microphone of Elisha Gray.jpg 879 × 1,109; 179 KB
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Telefon Kohlemikrofon.jpg 800 × 798; 102 KB
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Telephon G.jpg 568 × 435; 154 KB
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Telephon TM-2.jpg 510 × 507; 174 KB