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[NV14092], Technical Note, Charles Batchelor, Thomas Alva Edison, May 20th, 1878

Title: [NV14092], Technical Note, Charles Batchelor, Thomas Alva Edison, May 20th, 1878
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1878-05-20
Type: Technical Note
Subject: Telephone
Folder ID: NV14-F
Microfilm ID: 4:236
Document ID: NV14092
URL: https://edisondigital.rutgers.edu/document/NV14092
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 4