[N080065], Technical Note, Thomas Alva Edison, July 20th, 1879
https://edisondigital.rutgers.edu/document/N080065
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Title
[N080065], Technical Note, Thomas Alva Edison, July 20th, 1879
Editor's Notes
telephone board
Author
Date
1879-07-20
Type
Subject
Folder/Volume ID
N080-F
Microfilm ID
35:515
Document ID
N080065
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University