[NV12172] Technical Note, September 21st, 1877
https://edisondigital.rutgers.edu/document/NV12172
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Title
[NV12172] Technical Note, September 21st, 1877
Editor's Notes
More telephone designs
Date
1877-09-21
Type
Subject
Folder/Volume ID
NV12-F
Microfilm ID
4:81
Document ID
NV12172
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University