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

https://edisondigital.rutgers.edu/document/NV12060

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Title

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

Editor's Notes

Acoustic tel sexty -- uses telephone and emg

Date

1877-07-26

Decade

1870-1879

Folder/Volume ID

NV12-F

Microfilm ID

4:28

Document ID

NV12060

Publisher

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