Technical Note, Charles Batchelor, Thomas Alva Edison, July 26th, 1877

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Author(s)

Edison, Thomas Alva
Batchelor, Charles
Recipient(s)
Others Mentioned

Subject(s)

Electromotograph
Multiple telegraphy (duplex, quadruplex)
Telegraphy, acoustic

Dated

1877-07-26 (1877)

Associated Images

1

Identifier

NV12060 (legacy)

Rights

Thomas Edison National Historical Park

Publisher

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

Citation

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