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[D7929ZGP], Memorandum, Thomas Alva Edison, 1879

Title: [D7929ZGP], Memorandum, Thomas Alva Edison, 1879
Editor's Notes: Telephone interference notes. "Volker interference. Metalic button. Case 159= Also telephone patented."
Author: Edison, Thomas Alva
Mentioned: Voelker, William L
Date: 1879-00-00
Type: Memorandum
Subject: Patent interference; Telephone
Folder ID: D7929-F
Microfilm ID: 51:633
Document ID: D7929ZGP
URL: https://edisondigital.rutgers.edu/document/D7929ZGP
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 51
License: CC0 1.0 Universal