[N048139], Technical Note, Francis Robbins Upton, May 21st, 1880
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Title
[N048139], Technical Note, Francis Robbins Upton, May 21st, 1880
Editor's Notes
more tests of cast iron machine; measuring volts on magnet & armature. At 80 volts centrifugal force burst the brass wire (fr 201) {Mott Jrnl same day}. Fr 202 is back to weighing Lawson's meter plates. Fr. 204 testing resistance of bast lamps, cost comparisons with gas.
Author
Date
1880-05-21
Type
Folder/Volume ID
N048-F
Microfilm ID
33:199
Document ID
N048139
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University