[D8329Y], Letter from Charles Lorenzo Clarke to Thomas Alva Edison, October 3rd, 1883

Item

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Abstract

Letterhead of Edison Electric Light NY # 1/4 HP motor data#I find form the complete tests on the 6" armature motor the following to be the results. Arrmature Resis. Average at temp of 50 degree C 10.56 # Amphere capacity ( safe) 2.88 On a 107 volt circuit the speed with no load will be about 1700 . With the full load ( 2.88 ampheres) 1200 Total ft. goes on to list various calculations P.s. I considered the brush holder and the brush [---]? Improvements. The communtator should be made so that the brushes bear on the side installed of top and bottom. They are {---} easier inspected and Adjusted# It is also a question for to to decided whether you will allow the present has ? Of energy in the magnets or have more wire. What do you say in reference to it

Date

1883-10-03

Decade

1880-1889

Type

Identifier

D8329Y

Folder Set

D8329

Title

[D8329Y], Letter from Charles Lorenzo Clarke to Thomas Alva Edison, October 3rd, 1883

Microfilm ID

66:899

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University

Timestamp

October 3, 1883