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[N080031], Technical Note, Francis Robbins Upton, Thomas Alva Edison, June 15th, 1879

Title: [N080031], Technical Note, Francis Robbins Upton, Thomas Alva Edison, June 15th, 1879
Editor's Notes: Final test of chalks to June 27 1879
Author: Upton, Francis Robbins; Edison, Thomas Alva
Date: 1879-06-15
Type: Technical Note
Subject: Metals and minerals; Telephone
Folder ID: N080-F
Microfilm ID: 35:500
Document ID: N080031
URL: https://edisondigital.rutgers.edu/document/N080031
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 35