[NV12060], Technical Note, Charles Batchelor, Thomas Alva Edison, July 26th, 1877

Item

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Abstract

Acoustic tel sexty -- uses telephone and emg

Date

1877-07-26

Decade

1870-1879

Identifier

NV12060

Folder Set

NV12

Title

[NV12060], Technical Note, Charles Batchelor, Thomas Alva Edison, July 26th, 1877

Microfilm ID

4:28

Publisher

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

Timestamp

July 26, 1877