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Sammlungsmenü
Image courtesy of the Franklin D. Roosevelt Presidential Library and Museum.
Image courtesy of the Franklin D. Roosevelt Presidential Library and Museum.
Vibroplex Company, Inc.
Image courtesy of the Franklin D. Roosevelt Presidential Library and Museum.
Image courtesy of the Franklin D. Roosevelt Presidential Library and Museum.

Vibroplex Company, Inc.

American communication products company, founded 1905
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FoundedNew York, New York, USA
Institution LocationKnoxville, Tennessee, USA