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[D8505G], Letter from Horace Musser Engle to Thomas Alva Edison, March 20th, 1885

Title: [D8505G], Letter from Horace Musser Engle to Thomas Alva Edison, March 20th, 1885
Editor's Notes: [writing from Lehigh Univ] Wants to know why Jumbo dynamo has 8 field coils above but only 4 below; is that to compensat for iron in bedplate? Insull shorthand marg.
Author: Engle, Horace Musser
Recipient: Edison, Thomas Alva
Date: 1885-03-20
Type: Letter
Subject: Dynamos and generators
Folder ID: D8505-F
Microfilm ID: 77:266
Document ID: D8505G
URL: https://edisondigital.rutgers.edu/document/D8505G
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 77