[D8505G], Letter from Horace M Engle to Thomas Alva Edison, March 20th, 1885
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Title
[D8505G], Letter from Horace M 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
Recipient
Date
1885-03-20
Type
Subject
Folder/Volume ID
D8505-F
Microfilm ID
77:266
Document ID
D8505G
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University