Patent Application, Thomas Alva Edison, June 11th, 1907

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Author(s)

Edison, Thomas Alva
Recipient(s)
Others Mentioned
Dyer, Frank Lewis
Smith, Dyer

Subject(s)

Microphone and other acoustic devices

Dated

1907-06-11 (1907)

Associated Images

Identifier

PT032AHX (legacy)

Rights

Thomas Edison National Historical Park

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
 

Citation

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