[N085003], Technical Note, Francis Robbins Upton, August 22nd, 1879
https://edisondigital.rutgers.edu/document/N085003
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Title
[N085003], Technical Note, Francis Robbins Upton, August 22nd, 1879
Editor's Notes
description of pt spiral lamp and test in vacuum; fr 789 conducting ires 11 ohms, discusses epxts of pt wire 20% pt irid in vacuum raised from cold to whitish yellow and how tested. Measuring resistance. Notes on foot pounds consumed per minute.
Author
Mentioned
Date
1879-08-22
Type
Folder/Volume ID
N085-F
Microfilm ID
35:785
Document ID
N085003
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University