Hearing Aid

Object Details

Description
Sonotone carbon microphone hearing aid, model 33, serial #42468, with a receiver and a bone-conduction transducer. This dates from 1933 and was given to the Smithsonian in 1945.
Location
Currently not on view
Data Source
National Museum of American History
maker
Sonotone Corporation
Credit Line
Sonotone Corporation
Object Name
hearing aids
Other Terms
Medicine
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