[MBP018], Patent Issued, Thomas Alva Edison, September 20th, 1879
https://edisondigital.rutgers.edu/document/MBP018
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Title
[MBP018], Patent Issued, Thomas Alva Edison, September 20th, 1879
Editor's Notes
British Pat 3794 (1879). Telephone annunciators.
Author
Date
1879-09-20
Type
Subject
Folder/Volume ID
MBP-F
Microfilm ID
92:129
Document ID
MBP018
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University