[N038157A], Technical Note, Charles Batchelor, July 7th, 1879
https://edisondigital.rutgers.edu/document/N038157A
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Title
[N038157A], Technical Note, Charles Batchelor, July 7th, 1879
Editor's Notes
Edison's emg telephone, telephone connections for new design telephone
Author
Date
1879-07-07
Type
Subject
Folder/Volume ID
N038-F
Microfilm ID
32:453
Document ID
N038157A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University