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[NV14039], Technical Note, Charles Batchelor, Thomas Alva Edison, February 10th, 1878

Title: [NV14039], Technical Note, Charles Batchelor, Thomas Alva Edison, February 10th, 1878
Editor's Notes: Test of coils for telephone and drawing labeled new telephone -- This is a Sunday he took off the next day his Birthday!!!!!
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1878-02-10
Type: Technical Note
Subject: Telephone
Folder ID: NV14-F
Microfilm ID: 4:180
Document ID: NV14039
URL: https://edisondigital.rutgers.edu/document/NV14039
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