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[N104004], Technical Note, Francis Jehl, July 6th, 1880

Title: [N104004], Technical Note, Francis Jehl, July 6th, 1880
Editor's Notes: Expt 4: on how much mercury falls in gauge when spiral lamp put on current. [Had special pump made with McCleod gauge and tube to lamp in one piece.] Observes great drop.
Author: Jehl, Francis
Mentioned: Edison, Thomas Alva
Date: 1880-07-06
Type: Technical Note
Subject: Incandescent lamp; Vacuum and glass bulb
Folder ID: N104-F
Microfilm ID: 36:269
Document ID: N104004
URL: https://edisondigital.rutgers.edu/document/N104004
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 36