[D7919L], Letter from Thomas H Ladd to Thomas Alva Edison, January 29th, 1879

https://edisondigital.rutgers.edu/document/D7919L

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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."

Date

1879-01-29

Decade

1870-1879

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
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