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[N014181], Technical Note, Francis Robbins Upton, Thomas Alva Edison, February 14th, 1879

Title: [N014181], Technical Note, Francis Robbins Upton, Thomas Alva Edison, February 14th, 1879
Editor's Notes: drawing "Electric pen vibrator To utilize a current by breaking the connection and having a jump spark from Pt. to Carbon"
Author: Upton, Francis Robbins; Edison, Thomas Alva
Date: 1879-02-14
Type: Technical Note
Subject: Dynamos and generators
Folder ID: N014-F
Microfilm ID: 30:466
Document ID: N014181
URL: https://edisondigital.rutgers.edu/document/N014181
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 30