[N048209], Technical Note, Francis Robbins Upton, May 26th, 1880
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Title
[N048209], Technical Note, Francis Robbins Upton, May 26th, 1880
Editor's Notes
Lawson's meter plates. 237 is bast fiber lamps; ratios of resistance in lamp to reistance added in circuit. 240 Jehl lamp resistance measurements for several pgs tests.
Author
Date
1880-05-26
Type
Subject
Folder/Volume ID
N048-F
Microfilm ID
33:234
Document ID
N048209
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University