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[NS7811F1], Technical Note, Charles Batchelor, Thomas Alva Edison, September 18th, 1878

Title: [NS7811F1], Technical Note, Charles Batchelor, Thomas Alva Edison, September 18th, 1878
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1878-09-18
Type: Technical Note
Subject: Carbon, coal, glass, ceramics; Telephone
Folder ID: NS7811-F
Microfilm ID: 162:568
Document ID: NS7811F1
URL: https://edisondigital.rutgers.edu/document/NS7811F1
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 162