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[N137017], Technical Note, Francis Robbins Upton, July 20th, 1880

Title: [N137017], Technical Note, Francis Robbins Upton, July 20th, 1880
Editor's Notes: Testing RR insulation: paper, tar.
Author: Upton, Francis Robbins
Date: 1880-07-20
Type: Technical Note
Subject: Electric traction; Cables, feeders, and other exterior elements
Folder ID: N137-F
Microfilm ID: 38:494
Document ID: N137017
URL: https://edisondigital.rutgers.edu/document/N137017
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 38