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[N080041], Technical Note, Francis Robbins Upton, July 4th, 1879

Title: [N080041], Technical Note, Francis Robbins Upton, July 4th, 1879
Editor's Notes: more tests of chalks
Author: Upton, Francis Robbins
Mentioned: Edison, Thomas Alva
Date: 1879-07-04
Type: Technical Note
Subject: Metals and minerals; Telephone
Folder ID: N080-F
Microfilm ID: 35:505
Document ID: N080041
URL: https://edisondigital.rutgers.edu/document/N080041
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
License: CC0 1.0 Universal