Letter from Gardiner Greene Hubbard to George Lothrop Bradley, March 18th, 1878

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Author(s)

Hubbard, Gardiner Greene
Recipient(s)
Bradley, George Lothrop
Others Mentioned
Cheever, Charles Augustus
Johnson, Edward Hibberd
Hubbard, Charles Eustis
Edison, Thomas Alva

Subject(s)

Microphone and other acoustic devices
Patent application
Cylinder phonograph

Dated

1878-03-18 (1878)

Associated Images

3

Identifier

X012G1AR (legacy)

Rights

AT&T Archives and History Center

Publisher

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

Citation

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