Category:Carbon microphones

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Media in category "Carbon microphones"

The following 35 files are in this category, out of 35 total.

Actor portraying Alexander Graham Bell in an AT&T promotional film (1926).jpg 85 KB
Carbon amplifier radio receiver 1919.png 18 KB
Carbon button microphone 1916.png 102 KB
Carbon button microphone cutaway.png 134 KB
Carbon Button Microphone.JPG 47 KB
Carbon microphone zh.svg 62 KB
Carbon microphone, c. 1920s, Ellis Electrical Laboratories - Museum of Science and Industry (Chicago) - DSC06626.JPG 5.52 MB
CKUA Microphone, National Music Centre.jpg 2.87 MB
Coal microphone.jpg 51 KB
Ericsson carbon microphone opened.jpg 650 KB
George Olsen at WJZ with double button microphone 1926.jpg 98 KB
Kellogg Candlestick Telephone.JPG 899 KB
Kohlemikrofon Alois Zettler.jpg 362 KB
Kohlemikrofon-sv.svg 64 KB
Kohlemikrofon.png 116 KB
Kohlemikrophon.jpg 88 KB
Kohlemikrophon2.jpg 153 KB
Kohlenmikrofon SK.svg 46 KB
Marconi Reisz microphone.jpg 1.68 MB
Micro charbon.png 48 KB
Microphone - Bayernhof Museum - DSC06319.JPG 3.33 MB
Mikrofon szén.png 16 KB
MikrofonGrundig1.JPG 160 KB
MikrofonGrundig2.JPG 84 KB
Navy carbon radio amplifier 1915.jpg 52 KB
Portable 5W public address system 1929.jpg 40 KB
Snitt genom en Western electrics kolkornsmikrofon med dubbelsidigt verkande membran, Nordisk familjebok.png 64 KB
Swedish patent 1828 Kolpulvermikrofon.pdf 199 KB
Swedish patent 5280 Anordning vid kolkornmikrofoner.pdf 73 KB
Telefon Kohlemikrofon.jpg 102 KB
Telefunken arc radiotelephone.jpg 322 KB
Two double button carbon microphones.jpg 16 KB
Uhlíkový mikrofon.jpg 16 KB
Western Electric double button carbon microphone.jpg 420 KB
Western electrics rundradiomikrofon i sitt skyddande fodral, Nordisk familjebok.png 279 KB

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Microphones