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[NV18042], Technical Note, Charles Batchelor, Thomas Alva Edison, October 17th, 1878

Title: [NV18042], Technical Note, Charles Batchelor, Thomas Alva Edison, October 17th, 1878
Editor's Notes: chalk drum for new receiver
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1878-10-17
Type: Technical Note
Subject: Telephone
Folder ID: NV18-F
Microfilm ID: 4:1077
Document ID: NV18042
URL: https://edisondigital.rutgers.edu/document/NV18042
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
License: CC0 1.0 Universal