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[N104007], Technical Note, Francis Jehl, July 7th, 1880

Title: [N104007], Technical Note, Francis Jehl, July 7th, 1880
Editor's Notes: Expt 5: Not completed but similar to #4. Using special lamp made by Boehm on top of spark gauge; just got as far as heating it on pump.
Author: Jehl, Francis
Date: 1880-07-07
Type: Technical Note
Subject: Incandescent lamp; Vacuum and glass bulb
Folder ID: N104-F
Microfilm ID: 36:270
Document ID: N104007
URL: https://edisondigital.rutgers.edu/document/N104007
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