[N106266], Technical Note, Francis Robbins Upton, November 17th, 1880
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Title
[N106266], Technical Note, Francis Robbins Upton, November 17th, 1880
Editor's Notes
Sketch dynamo in circuit with lamp & adjustable resis; incomplete sketch---trough feeding several tubes--vac pumps for factory????
Author
Date
1880-11-17
Type
Subject
Folder/Volume ID
N106-F
Microfilm ID
36:548
Document ID
N106266
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University