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[N007217], Technical Note, Charles Batchelor, March 1879

Title: [N007217], Technical Note, Charles Batchelor, March 1879
Editor's Notes: chalk solutions 1-11 then notes on making; Supplied year and month
Author: Batchelor, Charles
Date: 1879-03-00
Type: Technical Note
Subject: Telephone; Electromotograph
Folder ID: N007-F
Microfilm ID: 29:780
Document ID: N007217
URL: https://edisondigital.rutgers.edu/document/N007217
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 29
License: CC0 1.0 Universal