Patent model, Berliner microphone, US Patent #224,573

Patent model, Berliner microphone, US Patent #224,573

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Location
Currently not on view
Object Name
Microphone
Other Terms
Microphone; Telephones; Transmitter; Carbon
Date made
1880
maker
Berliner, Emile
Measurements
overall: 6 in x 4 1/2 in x 1 1/2 in; 15.24 cm x 11.43 cm x 3.81 cm
ID Number
EM.308617
catalog number
308617
accession number
89797
patent number
224573
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Work and Industry: Electricity
Data Source
National Museum of American History
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