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

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
Author: Sprague, Frank Julian
Recipient: Edison, Thomas Alva
Mentioned: Clarke, Charles Lorenzo
Date: 1884-04-16
Type: Letter
Subject: Motors
Folder ID: D8442-F
Microfilm ID: 74:744
Document ID: D8442ZDG
URL: https://edisondigital.rutgers.edu/document/D8442ZDG
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 74

Item sets: [D8442-F] (D-84-42) Electric Light -- TAE Construction Dept -- Engineering

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