[MBN002050], Technical Note, Charles Batchelor, December 1st, 1877
https://edisondigital.rutgers.edu/document/MBN002050
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Title
[MBN002050], Technical Note, Charles Batchelor, December 1st, 1877
Editor's Notes
Proposed telephone like Fig. 66 -- sunflower design
Author
Date
1877-12-01
Type
Subject
Folder/Volume ID
MBN002-F
Microfilm ID
90:682
Document ID
MBN002050
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University