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[N047229B], Technical Note, Francis Robbins Upton, April 9th, 1879

Title: [N047229B], Technical Note, Francis Robbins Upton, April 9th, 1879
Editor's Notes: lamp regulator?
Author: Upton, Francis Robbins
Date: 1879-04-09
Type: Technical Note
Subject: Electric light and power; Vacuum and glass bulb
Folder ID: N047-F
Microfilm ID: 33:108
Document ID: N047229B
URL: https://edisondigital.rutgers.edu/document/N047229B
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 33
License: CC0 1.0 Universal