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[N104010], Technical Note, Francis Jehl, July 8th, 1880

Title: [N104010], Technical Note, Francis Jehl, July 8th, 1880
Editor's Notes: Continue expt 5. Coudln't seem to get good vacuum. Tested armature that was crossed ystdy; OK at 14/100 ohm. Back to lamp tests on vac pump; looks like he's just measuring restistances.
Author: Jehl, Francis
Date: 1880-07-08
Type: Technical Note
Subject: Incandescent lamp; Vacuum and glass bulb; Dynamos and generators
Folder ID: N104-F
Microfilm ID: 36:272
Document ID: N104010
URL: https://edisondigital.rutgers.edu/document/N104010
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