[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
Type
Folder/Volume ID
NV12-F
Microfilm ID
4:28
Document ID
NV12060
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University