[LB025091A], Letter from Thomas Alva Edison to John Clark, September 14th, 1887
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Title
[LB025091A], Letter from Thomas Alva Edison to John Clark, September 14th, 1887
Editor's Notes
I have your letter of the 26th of August. The principle which I employ is not thermo-electric. The apparatus is based upon the heating and cooling of iron to increase and diminish its magnetism.
Author
Recipient
Date
1887-09-14
Type
Folder/Volume ID
LB025-F
Microfilm ID
138:222
Document ID
LB025091A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University