[D8123S], Letter from Francis Robbins Upton to Thomas Alva Edison, March 7th, 1881
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Title
[D8123S], Letter from Francis Robbins Upton to Thomas Alva Edison, March 7th, 1881
Editor's Notes
The expt Nichols tried was to pass current from one machine through armature & magnets of another, to find the pull at starting. Fifteen lbs at 30 in radios. This for Prof Young's info. Trouble in machine was behind his control: a cross. PS Logan says machine crossed in armature & magnet.
Author
Recipient
Date
1881-03-07
Type
Subject
Folder/Volume ID
D8123-F
Microfilm ID
57:795
Document ID
D8123S
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University