Letter from James A Campbell to Thomas Alva Edison, January 20th, 1881

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Author(s)

Campbell, James A
Recipient(s)
Edison, Thomas Alva
Others Mentioned
Bell, Alexander Graham

Subject(s)

Microphone and other acoustic devices
Telephone

Dated

1881-01-20 (1881)

Associated Images

2

Identifier

D8107E (legacy)

Rights

Thomas Edison National Historical Park

Publisher

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

Citation

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