[NS7602D], Technical Note, James Adams, Thomas Alva Edison, July 12th, 1876
https://edisondigital.rutgers.edu/document/NS7602D
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Title
[NS7602D], Technical Note, James Adams, Thomas Alva Edison, July 12th, 1876
Editor's Notes
acoustic transfer teleg -- several (7) pages all on Elec Pen Co letterhead -- possibly as illustration to talking telegraph from TI of same date
Author
Date
1876-07-12
Type
Subject
Folder/Volume ID
NS7602-F
Microfilm ID
7:355
Document ID
NS7602D
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University