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Marconi-Reisz Carbon Microphone (circa 1930) Just the job for a Kings Speech or two! Also very popular with other personalities of 1930's European showbiz! | Martin Mitchell's Microphones
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1930s Western Electric Microphone used in "The Aviator" with Leonardo Dicaprio at 1stDibs | microphone 1930, 1930s mic, 30's microphone
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Vintage 30s Microphone Stock Photo - Download Image Now - 1930-1939, Microphone, Broadcasting - iStock
File:CBS microphone, 1930s, used by Franklin Roosevelt for his Fireside Chat radio programs - National Museum of American History - DSC06235.JPG - Wikimedia Commons
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