[D8442ZDG], Letter from Frank Julian Sprague to Thomas Alva Edison, April 16th, 1884

https://edisondigital.rutgers.edu/document/D8442ZDG

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Title

[D8442ZDG], Letter from Frank Julian Sprague to Thomas Alva Edison, April 16th, 1884

Editor's Notes

Electrical specs of R, T, S, Y, H dynamos: current, armature resistance, no. coils, coil resistance. Discussion of motor design follows. xxx use annotation on dynamo models dh 21dec06 xxx

Date

1884-04-16

Type

Subject

Folder/Volume ID

D8442-F

Microfilm ID

74:744

Document ID

D8442ZDG

Publisher

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