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[NV14054], Technical Note, Charles Batchelor, March 6th, 1878

Title: [NV14054], Technical Note, Charles Batchelor, March 6th, 1878
Editor's Notes: Carbon button in telephone
Author: Batchelor, Charles
Date: 1878-03-06
Type: Technical Note
Subject: Telephone
Folder ID: NV14-F
Microfilm ID: 4:195
Document ID: NV14054
URL: https://edisondigital.rutgers.edu/document/NV14054
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