[N077268], Technical Note, Francis Robbins Upton, September 5th, 1879
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Title
[N077268], Technical Note, Francis Robbins Upton, September 5th, 1879
Editor's Notes
sewing machine motor tests; fr. 296 has date of 10/21/79 probably added later; fr. 298 "90.7% of the energy entering the motor is turned into work" "The EMF active in the circuit is the product of the total resistance and the current that is 9.2 volts"; fr. 300 60% of power entering motor given off as work" as result of extra friction when wheel of motor held; fr. 301 Active EMF about 31.7 volts contrary EMF about 31 volts
Author
Date
1879-09-05
Type
Subject
Folder/Volume ID
N077-F
Microfilm ID
35:294
Document ID
N077268
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University