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[N080130], Technical Note, Francis Robbins Upton, January 20th, 1880

Title: [N080130], Technical Note, Francis Robbins Upton, January 20th, 1880
Editor's Notes: "39 commutators X 2 = 78 cuts. 156 150 75 commutators"
Author: Upton, Francis Robbins
Date: 1880-01-20
Type: Technical Note
Subject: Dynamos and generators
Folder ID: N080-F
Microfilm ID: 35:546
Document ID: N080130
URL: https://edisondigital.rutgers.edu/document/N080130
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