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[N020151], Technical Note, Charles Batchelor, Thomas Alva Edison, March 1st, 1879

Title: [N020151], Technical Note, Charles Batchelor, Thomas Alva Edison, March 1st, 1879
Editor's Notes: Induction coil telephone design - worked well not as loud as bell but articulation perfect
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1879-03-01
Type: Technical Note
Subject: Telephone
Folder ID: N020-F
Microfilm ID: 30:1041
Document ID: N020151
URL: https://edisondigital.rutgers.edu/document/N020151
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 30