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[N085029], Technical Note, Francis Robbins Upton, September 8th, 1879

Title: [N085029], Technical Note, Francis Robbins Upton, September 8th, 1879
Editor's Notes: Note on induction coil test but unclear for what purpose. Get bigger spark with smaller condensor. The three fall tube pump arranged thus (pump #1). Difficulties met in testing Pt wire in evacuated glass tube. Spark tube observations
Author: Upton, Francis Robbins
Mentioned: Western Union
Date: 1879-09-08
Type: Technical Note
Subject: Incandescent lamp; Vacuum and glass bulb
Folder ID: N085-F
Microfilm ID: 35:798
Document ID: N085029
URL: https://edisondigital.rutgers.edu/document/N085029
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 35

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