Letter from Charles H Avery to Thomas Alva Edison, September 4th, 1878

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Author(s)

Avery, Charles H
Recipient(s)
Edison, Thomas Alva
Others Mentioned

Subject(s)

Microphone and other acoustic devices

Dated

1878-09-04 (1878)

Associated Images

1

Identifier

D7801G5 (legacy)

Rights

Thomas Edison National Historical Park

Publisher

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

Citation

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