[D7929ZGP], Memorandum, Thomas Alva Edison, 1879
https://edisondigital.rutgers.edu/document/D7929ZGP
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Title
[D7929ZGP], Memorandum, Thomas Alva Edison, 1879
Editor's Notes
Telephone interference notes. "Volker interference. Metalic button. Case 159= Also telephone patented."
Author
Mentioned
Date
1879-00-00
Type
Subject
Folder/Volume ID
D7929-F
Microfilm ID
51:633
Document ID
D7929ZGP
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University