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[NV15027], Technical Note, Thomas Alva Edison, July 26th, 1878

Title: [NV15027], Technical Note, Thomas Alva Edison, July 26th, 1878
Editor's Notes: tracing follows; telephone test with gal
Author: Edison, Thomas Alva
Date: 1878-07-26
Type: Technical Note
Subject: Telephone
Folder ID: NV15-F
Microfilm ID: 4:352
Document ID: NV15027
URL: https://edisondigital.rutgers.edu/document/NV15027
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 4