[D7919L], Letter from Thomas H Ladd to Thomas Alva Edison, January 29th, 1879
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Title
[D7919L], Letter from Thomas H Ladd to Thomas Alva Edison, January 29th, 1879
Editor's Notes
Dynamo construction ideas; suggestion for dispensing with soft iron core. Suggests rings of Pt and Cu for lamp. Marg: "Referred to Upton to see what he has & for an answer. Shew ans to me."
Author
Recipient
Mentioned
Date
1879-01-29
Type
Folder/Volume ID
D7919-F
Microfilm ID
50:14
Document ID
D7919L
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University