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[N009048] Technical Note, December 1878

Title: [N009048] Technical Note, December 1878
Editor's Notes: Upton notes, calcs, drawings re "If a battery works against a Gramme Question "Gramme machine mnoves about the same How much power hand break" [is this among questions given Upton when he first comes to work--see that notebook]; later "Tried magnet tried commutators Six lamps all red heat from the [?] Six lamps 1/4 in 1/2 HP 3000[degree sign] F" and more calcs may be from Dec or early Jan; Jan 14 drawings by Batch follow Upton material frame 998; Supplied year and month
Author: Upton, Francis Robbins
Date: 1878-12-00
Type: Technical Note
Subject: Dynamos and generators
Folder ID: N009-F
Microfilm ID: 29:966
Document ID: N009048
URL: https://edisondigital.rutgers.edu/document/N009048
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 29
License: CC0 1.0 Universal

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