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[N080065], Technical Note, Thomas Alva Edison, July 20th, 1879

Title: [N080065], Technical Note, Thomas Alva Edison, July 20th, 1879
Editor's Notes: telephone board
Author: Edison, Thomas Alva
Date: 1879-07-20
Type: Technical Note
Subject: Telephone
Folder ID: N080-F
Microfilm ID: 35:515
Document ID: N080065
URL: https://edisondigital.rutgers.edu/document/N080065
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 35